20174555925

素因数分解:

$3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:321

約数の個数: 192

約数和(自身を含む): 39146065920

約数和(自身を除く): 18971509995

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 67, 71, 75, 103, 135, 183, 201, 213, 225, 305, 309, 335, 355, 515, 549, 603, 639, 675, 915, 927, 1005, 1065, 1525, 1545, 1647, 1675, 1775, 1809, 1917, 2575, 2745, 2781, 3015, 3195, 4087, 4331, 4575, 4635, 4757, 5025, 5325, 6283, 6901, 7313, 7725, 8235, 9045, 9585, 12261, 12993, 13725, 13905, 14271, 15075, 15975, 18849, 20435, 20703, 21655, 21939, 23175, 23785, 31415, 34505, 36565, 36783, 38979, 41175, 42813, 45225, 47925, 56547, 61305, 62109, 64965, 65817, 69525, 71355, 94245, 102175, 103515, 108275, 109695, 110349, 116937, 118925, 128439, 157075, 169641, 172525, 182825, 183915, 186327, 194895, 197451, 214065, 282735, 290177, 306525, 310545, 324825, 329085, 356775, 420961, 446093, 471225, 489971, 517575, 548475, 551745, 584685, 642195, 848205, 870531, 919575, 931635, 974475, 987255, 1070325, 1262883, 1338279, 1413675, 1450885, 1469913, 1552725, 1645425, 2104805, 2230465, 2449855, 2611593, 2758725, 2923425, 3210975, 3788649, 4014837, 4241025, 4352655, 4409739, 4658175, 4936275, 6314415, 6691395, 7254425, 7349565, 7834779, 10524025, 11152325, 11365947, 12044511, 12249275, 13057965, 13229217, 18943245, 20074185, 21763275, 22048695, 29888231, 31572075, 33456975, 36747825, 39173895, 56829735, 60222555, 65289825, 66146085, 89664693, 94716225, 100370925, 110243475, 149441155, 195869475, 268994079, 284148675, 301112775, 330730425, 448323465, 747205775, 806982237, 1344970395, 2241617325, 4034911185, 6724851975, 20174555925]

約数ペア:

[(1, 20174555925), (3, 6724851975), (5, 4034911185), (9, 2241617325), (15, 1344970395), (25, 806982237), (27, 747205775), (45, 448323465), (61, 330730425), (67, 301112775), (71, 284148675), (75, 268994079), (103, 195869475), (135, 149441155), (183, 110243475), (201, 100370925), (213, 94716225), (225, 89664693), (305, 66146085), (309, 65289825), (335, 60222555), (355, 56829735), (515, 39173895), (549, 36747825), (603, 33456975), (639, 31572075), (675, 29888231), (915, 22048695), (927, 21763275), (1005, 20074185), (1065, 18943245), (1525, 13229217), (1545, 13057965), (1647, 12249275), (1675, 12044511), (1775, 11365947), (1809, 11152325), (1917, 10524025), (2575, 7834779), (2745, 7349565), (2781, 7254425), (3015, 6691395), (3195, 6314415), (4087, 4936275), (4331, 4658175), (4575, 4409739), (4635, 4352655), (4757, 4241025), (5025, 4014837), (5325, 3788649), (6283, 3210975), (6901, 2923425), (7313, 2758725), (7725, 2611593), (8235, 2449855), (9045, 2230465), (9585, 2104805), (12261, 1645425), (12993, 1552725), (13725, 1469913), (13905, 1450885), (14271, 1413675), (15075, 1338279), (15975, 1262883), (18849, 1070325), (20435, 987255), (20703, 974475), (21655, 931635), (21939, 919575), (23175, 870531), (23785, 848205), (31415, 642195), (34505, 584685), (36565, 551745), (36783, 548475), (38979, 517575), (41175, 489971), (42813, 471225), (45225, 446093), (47925, 420961), (56547, 356775), (61305, 329085), (62109, 324825), (64965, 310545), (65817, 306525), (69525, 290177), (71355, 282735), (94245, 214065), (102175, 197451), (103515, 194895), (108275, 186327), (109695, 183915), (110349, 182825), (116937, 172525), (118925, 169641), (128439, 157075)]