20285304

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{823}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 55372800

約数和(自身を除く): 35087496

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 79, 104, 156, 158, 237, 312, 316, 474, 632, 823, 948, 1027, 1646, 1896, 2054, 2469, 3081, 3292, 4108, 4938, 6162, 6584, 8216, 9876, 10699, 12324, 19752, 21398, 24648, 32097, 42796, 64194, 65017, 85592, 128388, 130034, 195051, 256776, 260068, 390102, 520136, 780204, 845221, 1560408, 1690442, 2535663, 3380884, 5071326, 6761768, 10142652, 20285304]

約数ペア:

[(1, 20285304), (2, 10142652), (3, 6761768), (4, 5071326), (6, 3380884), (8, 2535663), (12, 1690442), (13, 1560408), (24, 845221), (26, 780204), (39, 520136), (52, 390102), (78, 260068), (79, 256776), (104, 195051), (156, 130034), (158, 128388), (237, 85592), (312, 65017), (316, 64194), (474, 42796), (632, 32097), (823, 24648), (948, 21398), (1027, 19752), (1646, 12324), (1896, 10699), (2054, 9876), (2469, 8216), (3081, 6584), (3292, 6162), (4108, 4938)]