20483880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{809}}^1$

素因数の和:1034

約数の個数: 64

約数和(自身を含む): 61819200

約数和(自身を除く): 41335320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 809, 844, 1055, 1266, 1618, 1688, 2110, 2427, 2532, 3165, 3236, 4045, 4220, 4854, 5064, 6330, 6472, 8090, 8440, 9708, 12135, 12660, 16180, 19416, 24270, 25320, 32360, 48540, 97080, 170699, 341398, 512097, 682796, 853495, 1024194, 1365592, 1706990, 2048388, 2560485, 3413980, 4096776, 5120970, 6827960, 10241940, 20483880]

約数ペア:

[(1, 20483880), (2, 10241940), (3, 6827960), (4, 5120970), (5, 4096776), (6, 3413980), (8, 2560485), (10, 2048388), (12, 1706990), (15, 1365592), (20, 1024194), (24, 853495), (30, 682796), (40, 512097), (60, 341398), (120, 170699), (211, 97080), (422, 48540), (633, 32360), (809, 25320), (844, 24270), (1055, 19416), (1266, 16180), (1618, 12660), (1688, 12135), (2110, 9708), (2427, 8440), (2532, 8090), (3165, 6472), (3236, 6330), (4045, 5064), (4220, 4854)]