20217634540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1481}}^1\times {\mathrm{40151}}^1$

素因数の和:41658

約数の個数: 48

約数和(自身を含む): 44985979584

約数和(自身を除く): 24768345044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1481, 2962, 5924, 7405, 14810, 25177, 29620, 40151, 50354, 80302, 100708, 125885, 160604, 200755, 251770, 401510, 503540, 682567, 803020, 1365134, 2730268, 3412835, 6825670, 13651340, 59463631, 118927262, 237854524, 297318155, 594636310, 1010881727, 1189272620, 2021763454, 4043526908, 5054408635, 10108817270, 20217634540]

約数ペア:

[(1, 20217634540), (2, 10108817270), (4, 5054408635), (5, 4043526908), (10, 2021763454), (17, 1189272620), (20, 1010881727), (34, 594636310), (68, 297318155), (85, 237854524), (170, 118927262), (340, 59463631), (1481, 13651340), (2962, 6825670), (5924, 3412835), (7405, 2730268), (14810, 1365134), (25177, 803020), (29620, 682567), (40151, 503540), (50354, 401510), (80302, 251770), (100708, 200755), (125885, 160604)]