20912952

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 54704160

約数和(自身を除く): 33791208

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 53, 82, 106, 123, 159, 164, 212, 246, 318, 328, 401, 424, 492, 636, 802, 984, 1203, 1272, 1604, 2173, 2406, 3208, 4346, 4812, 6519, 8692, 9624, 13038, 16441, 17384, 21253, 26076, 32882, 42506, 49323, 52152, 63759, 65764, 85012, 98646, 127518, 131528, 170024, 197292, 255036, 394584, 510072, 871373, 1742746, 2614119, 3485492, 5228238, 6970984, 10456476, 20912952]

約数ペア:

[(1, 20912952), (2, 10456476), (3, 6970984), (4, 5228238), (6, 3485492), (8, 2614119), (12, 1742746), (24, 871373), (41, 510072), (53, 394584), (82, 255036), (106, 197292), (123, 170024), (159, 131528), (164, 127518), (212, 98646), (246, 85012), (318, 65764), (328, 63759), (401, 52152), (424, 49323), (492, 42506), (636, 32882), (802, 26076), (984, 21253), (1203, 17384), (1272, 16441), (1604, 13038), (2173, 9624), (2406, 8692), (3208, 6519), (4346, 4812)]