20942636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 47416320

約数和(自身を除く): 26473684

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 41, 44, 47, 52, 76, 82, 94, 143, 164, 188, 209, 247, 286, 418, 451, 494, 517, 533, 572, 611, 779, 836, 893, 902, 988, 1034, 1066, 1222, 1558, 1786, 1804, 1927, 2068, 2132, 2444, 2717, 3116, 3572, 3854, 5434, 5863, 6721, 7708, 8569, 9823, 10127, 10868, 11609, 11726, 13442, 17138, 19646, 20254, 21197, 23218, 23452, 25051, 26884, 34276, 36613, 39292, 40508, 42394, 46436, 50102, 73226, 84788, 100204, 111397, 127699, 146452, 222794, 255398, 275561, 402743, 445588, 475969, 510796, 551122, 805486, 951938, 1102244, 1610972, 1903876, 5235659, 10471318, 20942636]

約数ペア:

[(1, 20942636), (2, 10471318), (4, 5235659), (11, 1903876), (13, 1610972), (19, 1102244), (22, 951938), (26, 805486), (38, 551122), (41, 510796), (44, 475969), (47, 445588), (52, 402743), (76, 275561), (82, 255398), (94, 222794), (143, 146452), (164, 127699), (188, 111397), (209, 100204), (247, 84788), (286, 73226), (418, 50102), (451, 46436), (494, 42394), (517, 40508), (533, 39292), (572, 36613), (611, 34276), (779, 26884), (836, 25051), (893, 23452), (902, 23218), (988, 21197), (1034, 20254), (1066, 19646), (1222, 17138), (1558, 13442), (1786, 11726), (1804, 11609), (1927, 10868), (2068, 10127), (2132, 9823), (2444, 8569), (2717, 7708), (3116, 6721), (3572, 5863), (3854, 5434)]