20486585020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{757}}^1$

素因数の和:1052

約数の個数: 144

約数和(自身を含む): 48472984224

約数和(自身を除く): 27986399204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 121, 211, 212, 220, 242, 265, 422, 484, 530, 583, 605, 757, 844, 1055, 1060, 1166, 1210, 1514, 2110, 2321, 2332, 2420, 2915, 3028, 3785, 4220, 4642, 5830, 6413, 7570, 8327, 9284, 11183, 11605, 11660, 12826, 15140, 16654, 22366, 23210, 25531, 25652, 32065, 33308, 40121, 41635, 44732, 46420, 51062, 55915, 64130, 80242, 83270, 91597, 102124, 111830, 123013, 127655, 128260, 159727, 160484, 166540, 183194, 200605, 223660, 246026, 255310, 319454, 366388, 401210, 441331, 457985, 492052, 510620, 615065, 638908, 798635, 802420, 882662, 915970, 1230130, 1353143, 1597270, 1756997, 1765324, 1831940, 2206655, 2460260, 2706286, 3194540, 3513994, 4413310, 4854641, 5412572, 6765715, 7027988, 8465531, 8784985, 8826620, 9709282, 13531430, 16931062, 17569970, 19326967, 19418564, 24273205, 27062860, 33862124, 35139940, 38653934, 42327655, 48546410, 77307868, 84655310, 93120841, 96634835, 97092820, 169310620, 186241682, 193269670, 372483364, 386539340, 465604205, 931208410, 1024329251, 1862416820, 2048658502, 4097317004, 5121646255, 10243292510, 20486585020]

約数ペア:

[(1, 20486585020), (2, 10243292510), (4, 5121646255), (5, 4097317004), (10, 2048658502), (11, 1862416820), (20, 1024329251), (22, 931208410), (44, 465604205), (53, 386539340), (55, 372483364), (106, 193269670), (110, 186241682), (121, 169310620), (211, 97092820), (212, 96634835), (220, 93120841), (242, 84655310), (265, 77307868), (422, 48546410), (484, 42327655), (530, 38653934), (583, 35139940), (605, 33862124), (757, 27062860), (844, 24273205), (1055, 19418564), (1060, 19326967), (1166, 17569970), (1210, 16931062), (1514, 13531430), (2110, 9709282), (2321, 8826620), (2332, 8784985), (2420, 8465531), (2915, 7027988), (3028, 6765715), (3785, 5412572), (4220, 4854641), (4642, 4413310), (5830, 3513994), (6413, 3194540), (7570, 2706286), (8327, 2460260), (9284, 2206655), (11183, 1831940), (11605, 1765324), (11660, 1756997), (12826, 1597270), (15140, 1353143), (16654, 1230130), (22366, 915970), (23210, 882662), (25531, 802420), (25652, 798635), (32065, 638908), (33308, 615065), (40121, 510620), (41635, 492052), (44732, 457985), (46420, 441331), (51062, 401210), (55915, 366388), (64130, 319454), (80242, 255310), (83270, 246026), (91597, 223660), (102124, 200605), (111830, 183194), (123013, 166540), (127655, 160484), (128260, 159727)]