20260677320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2153}}^1\times {\mathrm{18097}}^1$

素因数の和:20274

約数の個数: 64

約数和(自身を含む): 49118695920

約数和(自身を除く): 28858018600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2153, 4306, 8612, 10765, 17224, 18097, 21530, 27989, 36194, 43060, 55978, 72388, 86120, 90485, 111956, 139945, 144776, 180970, 223912, 235261, 279890, 361940, 470522, 559780, 723880, 941044, 1119560, 1176305, 1882088, 2352610, 4705220, 9410440, 38962841, 77925682, 155851364, 194814205, 311702728, 389628410, 506516933, 779256820, 1013033866, 1558513640, 2026067732, 2532584665, 4052135464, 5065169330, 10130338660, 20260677320]

約数ペア:

[(1, 20260677320), (2, 10130338660), (4, 5065169330), (5, 4052135464), (8, 2532584665), (10, 2026067732), (13, 1558513640), (20, 1013033866), (26, 779256820), (40, 506516933), (52, 389628410), (65, 311702728), (104, 194814205), (130, 155851364), (260, 77925682), (520, 38962841), (2153, 9410440), (4306, 4705220), (8612, 2352610), (10765, 1882088), (17224, 1176305), (18097, 1119560), (21530, 941044), (27989, 723880), (36194, 559780), (43060, 470522), (55978, 361940), (72388, 279890), (86120, 235261), (90485, 223912), (111956, 180970), (139945, 144776)]