20699928

素因数分解:

$2^3\times 3^3\times {\mathrm{47}}^1\times {\mathrm{2039}}^1$

素因数の和:2101

約数の個数: 64

約数和(自身を含む): 58752000

約数和(自身を除く): 38052072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 47, 54, 72, 94, 108, 141, 188, 216, 282, 376, 423, 564, 846, 1128, 1269, 1692, 2039, 2538, 3384, 4078, 5076, 6117, 8156, 10152, 12234, 16312, 18351, 24468, 36702, 48936, 55053, 73404, 95833, 110106, 146808, 191666, 220212, 287499, 383332, 440424, 574998, 766664, 862497, 1149996, 1724994, 2299992, 2587491, 3449988, 5174982, 6899976, 10349964, 20699928]

約数ペア:

[(1, 20699928), (2, 10349964), (3, 6899976), (4, 5174982), (6, 3449988), (8, 2587491), (9, 2299992), (12, 1724994), (18, 1149996), (24, 862497), (27, 766664), (36, 574998), (47, 440424), (54, 383332), (72, 287499), (94, 220212), (108, 191666), (141, 146808), (188, 110106), (216, 95833), (282, 73404), (376, 55053), (423, 48936), (564, 36702), (846, 24468), (1128, 18351), (1269, 16312), (1692, 12234), (2039, 10152), (2538, 8156), (3384, 6117), (4078, 5076)]