20210141924

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{601}}^1\times {\mathrm{4637}}^1$

素因数の和:5293

約数の個数: 72

約数和(自身を含む): 42333456312

約数和(自身を除く): 22123314388

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 601, 1036, 1202, 1813, 2404, 3626, 4207, 4637, 7252, 8414, 9274, 16828, 18548, 22237, 29449, 32459, 44474, 58898, 64918, 88948, 117796, 129836, 155659, 171569, 227213, 311318, 343138, 454426, 622636, 686276, 908852, 1089613, 1200983, 2179226, 2401966, 2786837, 4358452, 4803932, 5573674, 8406881, 11147348, 16813762, 19507859, 33627524, 39015718, 78031436, 103112969, 136555013, 206225938, 273110026, 412451876, 546220052, 721790783, 1443581566, 2887163132, 5052535481, 10105070962, 20210141924]

約数ペア:

[(1, 20210141924), (2, 10105070962), (4, 5052535481), (7, 2887163132), (14, 1443581566), (28, 721790783), (37, 546220052), (49, 412451876), (74, 273110026), (98, 206225938), (148, 136555013), (196, 103112969), (259, 78031436), (518, 39015718), (601, 33627524), (1036, 19507859), (1202, 16813762), (1813, 11147348), (2404, 8406881), (3626, 5573674), (4207, 4803932), (4637, 4358452), (7252, 2786837), (8414, 2401966), (9274, 2179226), (16828, 1200983), (18548, 1089613), (22237, 908852), (29449, 686276), (32459, 622636), (44474, 454426), (58898, 343138), (64918, 311318), (88948, 227213), (117796, 171569), (129836, 155659)]