20492770540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{2729}}^1$

素因数の和:2896

約数の個数: 144

約数和(自身を含む): 49409287200

約数和(自身を除く): 28916516660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 107, 110, 116, 121, 145, 214, 220, 242, 290, 319, 428, 484, 535, 580, 605, 638, 1070, 1177, 1210, 1276, 1595, 2140, 2354, 2420, 2729, 3103, 3190, 3509, 4708, 5458, 5885, 6206, 6380, 7018, 10916, 11770, 12412, 12947, 13645, 14036, 15515, 17545, 23540, 25894, 27290, 30019, 31030, 34133, 35090, 51788, 54580, 60038, 62060, 64735, 68266, 70180, 79141, 120076, 129470, 136532, 150095, 158282, 170665, 258940, 292003, 300190, 316564, 330209, 341330, 375463, 395705, 584006, 600380, 660418, 682660, 750926, 791410, 870551, 1168012, 1320836, 1460015, 1501852, 1582820, 1651045, 1741102, 1877315, 2920030, 3212033, 3302090, 3482204, 3754630, 4352755, 5840060, 6424066, 6604180, 7509260, 8468087, 8705510, 9576061, 12848132, 16060165, 16936174, 17411020, 19152122, 32120330, 33872348, 35332363, 38304244, 42340435, 47880305, 64240660, 70664726, 84680870, 93148957, 95760610, 141329452, 169361740, 176661815, 186297914, 191521220, 353323630, 372595828, 465744785, 706647260, 931489570, 1024638527, 1862979140, 2049277054, 4098554108, 5123192635, 10246385270, 20492770540]

約数ペア:

[(1, 20492770540), (2, 10246385270), (4, 5123192635), (5, 4098554108), (10, 2049277054), (11, 1862979140), (20, 1024638527), (22, 931489570), (29, 706647260), (44, 465744785), (55, 372595828), (58, 353323630), (107, 191521220), (110, 186297914), (116, 176661815), (121, 169361740), (145, 141329452), (214, 95760610), (220, 93148957), (242, 84680870), (290, 70664726), (319, 64240660), (428, 47880305), (484, 42340435), (535, 38304244), (580, 35332363), (605, 33872348), (638, 32120330), (1070, 19152122), (1177, 17411020), (1210, 16936174), (1276, 16060165), (1595, 12848132), (2140, 9576061), (2354, 8705510), (2420, 8468087), (2729, 7509260), (3103, 6604180), (3190, 6424066), (3509, 5840060), (4708, 4352755), (5458, 3754630), (5885, 3482204), (6206, 3302090), (6380, 3212033), (7018, 2920030), (10916, 1877315), (11770, 1741102), (12412, 1651045), (12947, 1582820), (13645, 1501852), (14036, 1460015), (15515, 1320836), (17545, 1168012), (23540, 870551), (25894, 791410), (27290, 750926), (30019, 682660), (31030, 660418), (34133, 600380), (35090, 584006), (51788, 395705), (54580, 375463), (60038, 341330), (62060, 330209), (64735, 316564), (68266, 300190), (70180, 292003), (79141, 258940), (120076, 170665), (129470, 158282), (136532, 150095)]