20587450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1667}}^1$

素因数の和:1711

約数の個数: 48

約数和(自身を含む): 43434720

約数和(自身を除く): 22847270

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 1667, 2470, 3334, 6175, 8335, 12350, 16670, 21671, 31673, 41675, 43342, 63346, 83350, 108355, 158365, 216710, 316730, 411749, 541775, 791825, 823498, 1083550, 1583650, 2058745, 4117490, 10293725, 20587450]

約数ペア:

[(1, 20587450), (2, 10293725), (5, 4117490), (10, 2058745), (13, 1583650), (19, 1083550), (25, 823498), (26, 791825), (38, 541775), (50, 411749), (65, 316730), (95, 216710), (130, 158365), (190, 108355), (247, 83350), (325, 63346), (475, 43342), (494, 41675), (650, 31673), (950, 21671), (1235, 16670), (1667, 12350), (2470, 8335), (3334, 6175)]