2020169830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1\times {\mathrm{911}}^1$

素因数の和:1405

約数の個数: 64

約数和(自身を含む): 4223508480

約数和(自身を除く): 2203338650

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 401, 553, 790, 802, 911, 1106, 1822, 2005, 2765, 2807, 4010, 4555, 5530, 5614, 6377, 9110, 12754, 14035, 28070, 31679, 31885, 63358, 63770, 71969, 143938, 158395, 221753, 316790, 359845, 365311, 443506, 503783, 719690, 730622, 1007566, 1108765, 1826555, 2217530, 2518915, 2557177, 3653110, 5037830, 5114354, 12785885, 25571770, 28859569, 57719138, 144297845, 202016983, 288595690, 404033966, 1010084915, 2020169830]

約数ペア:

[(1, 2020169830), (2, 1010084915), (5, 404033966), (7, 288595690), (10, 202016983), (14, 144297845), (35, 57719138), (70, 28859569), (79, 25571770), (158, 12785885), (395, 5114354), (401, 5037830), (553, 3653110), (790, 2557177), (802, 2518915), (911, 2217530), (1106, 1826555), (1822, 1108765), (2005, 1007566), (2765, 730622), (2807, 719690), (4010, 503783), (4555, 443506), (5530, 365311), (5614, 359845), (6377, 316790), (9110, 221753), (12754, 158395), (14035, 143938), (28070, 71969), (31679, 63770), (31885, 63358)]