20862660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3821}}^1$

素因数の和:3853

約数の個数: 96

約数和(自身を含む): 71914752

約数和(自身を除く): 51052092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 3821, 5460, 7642, 11463, 15284, 19105, 22926, 26747, 38210, 45852, 49673, 53494, 57315, 76420, 80241, 99346, 106988, 114630, 133735, 149019, 160482, 198692, 229260, 248365, 267470, 298038, 320964, 347711, 401205, 496730, 534940, 596076, 695422, 745095, 802410, 993460, 1043133, 1390844, 1490190, 1604820, 1738555, 2086266, 2980380, 3477110, 4172532, 5215665, 6954220, 10431330, 20862660]

約数ペア:

[(1, 20862660), (2, 10431330), (3, 6954220), (4, 5215665), (5, 4172532), (6, 3477110), (7, 2980380), (10, 2086266), (12, 1738555), (13, 1604820), (14, 1490190), (15, 1390844), (20, 1043133), (21, 993460), (26, 802410), (28, 745095), (30, 695422), (35, 596076), (39, 534940), (42, 496730), (52, 401205), (60, 347711), (65, 320964), (70, 298038), (78, 267470), (84, 248365), (91, 229260), (105, 198692), (130, 160482), (140, 149019), (156, 133735), (182, 114630), (195, 106988), (210, 99346), (260, 80241), (273, 76420), (364, 57315), (390, 53494), (420, 49673), (455, 45852), (546, 38210), (780, 26747), (910, 22926), (1092, 19105), (1365, 15284), (1820, 11463), (2730, 7642), (3821, 5460)]