20929100

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 47788608

約数和(自身を除く): 26859508

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 61, 73, 94, 100, 122, 146, 188, 235, 244, 292, 305, 365, 470, 610, 730, 940, 1175, 1220, 1460, 1525, 1825, 2350, 2867, 3050, 3431, 3650, 4453, 4700, 5734, 6100, 6862, 7300, 8906, 11468, 13724, 14335, 17155, 17812, 22265, 28670, 34310, 44530, 57340, 68620, 71675, 85775, 89060, 111325, 143350, 171550, 209291, 222650, 286700, 343100, 418582, 445300, 837164, 1046455, 2092910, 4185820, 5232275, 10464550, 20929100]

約数ペア:

[(1, 20929100), (2, 10464550), (4, 5232275), (5, 4185820), (10, 2092910), (20, 1046455), (25, 837164), (47, 445300), (50, 418582), (61, 343100), (73, 286700), (94, 222650), (100, 209291), (122, 171550), (146, 143350), (188, 111325), (235, 89060), (244, 85775), (292, 71675), (305, 68620), (365, 57340), (470, 44530), (610, 34310), (730, 28670), (940, 22265), (1175, 17812), (1220, 17155), (1460, 14335), (1525, 13724), (1825, 11468), (2350, 8906), (2867, 7300), (3050, 6862), (3431, 6100), (3650, 5734), (4453, 4700)]