20463528

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 32758872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 79, 86, 129, 158, 172, 237, 251, 258, 316, 344, 474, 502, 516, 632, 753, 948, 1004, 1032, 1506, 1896, 2008, 3012, 3397, 6024, 6794, 10191, 10793, 13588, 19829, 20382, 21586, 27176, 32379, 39658, 40764, 43172, 59487, 64758, 79316, 81528, 86344, 118974, 129516, 158632, 237948, 259032, 475896, 852647, 1705294, 2557941, 3410588, 5115882, 6821176, 10231764, 20463528]

約数ペア:

[(1, 20463528), (2, 10231764), (3, 6821176), (4, 5115882), (6, 3410588), (8, 2557941), (12, 1705294), (24, 852647), (43, 475896), (79, 259032), (86, 237948), (129, 158632), (158, 129516), (172, 118974), (237, 86344), (251, 81528), (258, 79316), (316, 64758), (344, 59487), (474, 43172), (502, 40764), (516, 39658), (632, 32379), (753, 27176), (948, 21586), (1004, 20382), (1032, 19829), (1506, 13588), (1896, 10793), (2008, 10191), (3012, 6794), (3397, 6024)]