20177394874

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1\times {\mathrm{7639}}^1$

素因数の和:8315

約数の個数: 64

約数和(自身を含む): 38936862720

約数和(自身を除く): 18759467846

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 631, 1262, 2093, 4186, 4417, 7639, 8203, 8834, 14513, 15278, 16406, 29026, 53473, 57421, 99307, 101591, 106946, 114842, 175697, 188669, 198614, 203182, 351394, 377338, 695149, 1229879, 1320683, 1390298, 2284061, 2459758, 2641366, 4568122, 4820209, 9640418, 15988427, 31976854, 33741463, 62662717, 67482926, 110864807, 125325434, 221729614, 438639019, 776053649, 877278038, 1441242491, 1552107298, 2882484982, 10088697437, 20177394874]

約数ペア:

[(1, 20177394874), (2, 10088697437), (7, 2882484982), (13, 1552107298), (14, 1441242491), (23, 877278038), (26, 776053649), (46, 438639019), (91, 221729614), (161, 125325434), (182, 110864807), (299, 67482926), (322, 62662717), (598, 33741463), (631, 31976854), (1262, 15988427), (2093, 9640418), (4186, 4820209), (4417, 4568122), (7639, 2641366), (8203, 2459758), (8834, 2284061), (14513, 1390298), (15278, 1320683), (16406, 1229879), (29026, 695149), (53473, 377338), (57421, 351394), (99307, 203182), (101591, 198614), (106946, 188669), (114842, 175697)]