2020409880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{990397}}^1$

素因数の和:990428

約数の個数: 64

約数和(自身を含む): 6417779040

約数和(自身を除く): 4397369160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 990397, 1980794, 2971191, 3961588, 4951985, 5942382, 7923176, 9903970, 11884764, 14855955, 16836749, 19807940, 23769528, 29711910, 33673498, 39615880, 50510247, 59423820, 67346996, 84183745, 101020494, 118847640, 134693992, 168367490, 202040988, 252551235, 336734980, 404081976, 505102470, 673469960, 1010204940, 2020409880]

約数ペア:

[(1, 2020409880), (2, 1010204940), (3, 673469960), (4, 505102470), (5, 404081976), (6, 336734980), (8, 252551235), (10, 202040988), (12, 168367490), (15, 134693992), (17, 118847640), (20, 101020494), (24, 84183745), (30, 67346996), (34, 59423820), (40, 50510247), (51, 39615880), (60, 33673498), (68, 29711910), (85, 23769528), (102, 19807940), (120, 16836749), (136, 14855955), (170, 11884764), (204, 9903970), (255, 7923176), (340, 5942382), (408, 4951985), (510, 3961588), (680, 2971191), (1020, 1980794), (2040, 990397)]