20406648

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 52992000

約数和(自身を除く): 32585352

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 79, 94, 141, 158, 188, 229, 237, 282, 316, 376, 458, 474, 564, 632, 687, 916, 948, 1128, 1374, 1832, 1896, 2748, 3713, 5496, 7426, 10763, 11139, 14852, 18091, 21526, 22278, 29704, 32289, 36182, 43052, 44556, 54273, 64578, 72364, 86104, 89112, 108546, 129156, 144728, 217092, 258312, 434184, 850277, 1700554, 2550831, 3401108, 5101662, 6802216, 10203324, 20406648]

約数ペア:

[(1, 20406648), (2, 10203324), (3, 6802216), (4, 5101662), (6, 3401108), (8, 2550831), (12, 1700554), (24, 850277), (47, 434184), (79, 258312), (94, 217092), (141, 144728), (158, 129156), (188, 108546), (229, 89112), (237, 86104), (282, 72364), (316, 64578), (376, 54273), (458, 44556), (474, 43052), (564, 36182), (632, 32289), (687, 29704), (916, 22278), (948, 21526), (1128, 18091), (1374, 14852), (1832, 11139), (1896, 10763), (2748, 7426), (3713, 5496)]