20432510

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:95

約数の個数: 80

約数和(自身を含む): 45981216

約数和(自身を除く): 25548706

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 37, 46, 49, 70, 74, 98, 115, 161, 185, 230, 245, 259, 322, 343, 370, 490, 518, 686, 805, 851, 1127, 1295, 1610, 1702, 1715, 1813, 2254, 2401, 2590, 3430, 3626, 4255, 4802, 5635, 5957, 7889, 8510, 9065, 11270, 11914, 12005, 12691, 15778, 18130, 24010, 25382, 29785, 39445, 41699, 55223, 59570, 63455, 78890, 83398, 88837, 110446, 126910, 177674, 208495, 276115, 291893, 416990, 444185, 552230, 583786, 888370, 1459465, 2043251, 2918930, 4086502, 10216255, 20432510]

約数ペア:

[(1, 20432510), (2, 10216255), (5, 4086502), (7, 2918930), (10, 2043251), (14, 1459465), (23, 888370), (35, 583786), (37, 552230), (46, 444185), (49, 416990), (70, 291893), (74, 276115), (98, 208495), (115, 177674), (161, 126910), (185, 110446), (230, 88837), (245, 83398), (259, 78890), (322, 63455), (343, 59570), (370, 55223), (490, 41699), (518, 39445), (686, 29785), (805, 25382), (851, 24010), (1127, 18130), (1295, 15778), (1610, 12691), (1702, 12005), (1715, 11914), (1813, 11270), (2254, 9065), (2401, 8510), (2590, 7889), (3430, 5957), (3626, 5635), (4255, 4802)]