20865123480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{33457}}^1\times {\mathrm{5197}}^1$

素因数の和:38668

約数の個数: 64

約数和(自身を含む): 62609286240

約数和(自身を除く): 41744162760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5197, 10394, 15591, 20788, 25985, 31182, 33457, 41576, 51970, 62364, 66914, 77955, 100371, 103940, 124728, 133828, 155910, 167285, 200742, 207880, 267656, 311820, 334570, 401484, 501855, 623640, 669140, 802968, 1003710, 1338280, 2007420, 4014840, 173876029, 347752058, 521628087, 695504116, 869380145, 1043256174, 1391008232, 1738760290, 2086512348, 2608140435, 3477520580, 4173024696, 5216280870, 6955041160, 10432561740, 20865123480]

約数ペア:

[(1, 20865123480), (2, 10432561740), (3, 6955041160), (4, 5216280870), (5, 4173024696), (6, 3477520580), (8, 2608140435), (10, 2086512348), (12, 1738760290), (15, 1391008232), (20, 1043256174), (24, 869380145), (30, 695504116), (40, 521628087), (60, 347752058), (120, 173876029), (5197, 4014840), (10394, 2007420), (15591, 1338280), (20788, 1003710), (25985, 802968), (31182, 669140), (33457, 623640), (41576, 501855), (51970, 401484), (62364, 334570), (66914, 311820), (77955, 267656), (100371, 207880), (103940, 200742), (124728, 167285), (133828, 155910)]