20212560004

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2677}}^1\times {\mathrm{20743}}^1$

素因数の和:23444

約数の個数: 48

約数和(自身を含む): 43553106688

約数和(自身を除く): 23340546684

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 2677, 5354, 10708, 18739, 20743, 34801, 37478, 41486, 69602, 74956, 82972, 139204, 145201, 243607, 269659, 290402, 487214, 539318, 580804, 974428, 1078636, 1887613, 3775226, 7550452, 55529011, 111058022, 222116044, 388703077, 721877143, 777406154, 1443754286, 1554812308, 2887508572, 5053140001, 10106280002, 20212560004]

約数ペア:

[(1, 20212560004), (2, 10106280002), (4, 5053140001), (7, 2887508572), (13, 1554812308), (14, 1443754286), (26, 777406154), (28, 721877143), (52, 388703077), (91, 222116044), (182, 111058022), (364, 55529011), (2677, 7550452), (5354, 3775226), (10708, 1887613), (18739, 1078636), (20743, 974428), (34801, 580804), (37478, 539318), (41486, 487214), (69602, 290402), (74956, 269659), (82972, 243607), (139204, 145201)]