20477340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2917}}^1$

素因数の和:2948

約数の個数: 96

約数和(自身を含む): 68631360

約数和(自身を除く): 48154020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 2917, 3510, 5834, 7020, 8751, 11668, 14585, 17502, 26253, 29170, 35004, 37921, 43755, 52506, 58340, 75842, 78759, 87510, 105012, 113763, 131265, 151684, 157518, 175020, 189605, 227526, 262530, 315036, 341289, 379210, 393795, 455052, 525060, 568815, 682578, 758420, 787590, 1023867, 1137630, 1365156, 1575180, 1706445, 2047734, 2275260, 3412890, 4095468, 5119335, 6825780, 10238670, 20477340]

約数ペア:

[(1, 20477340), (2, 10238670), (3, 6825780), (4, 5119335), (5, 4095468), (6, 3412890), (9, 2275260), (10, 2047734), (12, 1706445), (13, 1575180), (15, 1365156), (18, 1137630), (20, 1023867), (26, 787590), (27, 758420), (30, 682578), (36, 568815), (39, 525060), (45, 455052), (52, 393795), (54, 379210), (60, 341289), (65, 315036), (78, 262530), (90, 227526), (108, 189605), (117, 175020), (130, 157518), (135, 151684), (156, 131265), (180, 113763), (195, 105012), (234, 87510), (260, 78759), (270, 75842), (351, 58340), (390, 52506), (468, 43755), (540, 37921), (585, 35004), (702, 29170), (780, 26253), (1170, 17502), (1404, 14585), (1755, 11668), (2340, 8751), (2917, 7020), (3510, 5834)]