20163340719

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{1399}}^1$

素因数の和:1749

約数の個数: 64

約数和(自身を含む): 31449600000

約数和(自身を除く): 11286259281

約数列:

[1, 3, 9, 27, 29, 79, 87, 233, 237, 261, 699, 711, 783, 1399, 2097, 2133, 2291, 4197, 6291, 6757, 6873, 12591, 18407, 20271, 20619, 37773, 40571, 55221, 60813, 61857, 110521, 121713, 165663, 182439, 325967, 331563, 365139, 496989, 533803, 977901, 994689, 1095417, 1601409, 2933703, 2984067, 3205109, 4804227, 8801109, 9453043, 9615327, 14412681, 25751393, 28359129, 28845981, 77254179, 85077387, 86537943, 231762537, 255232161, 695287611, 746790397, 2240371191, 6721113573, 20163340719]

約数ペア:

[(1, 20163340719), (3, 6721113573), (9, 2240371191), (27, 746790397), (29, 695287611), (79, 255232161), (87, 231762537), (233, 86537943), (237, 85077387), (261, 77254179), (699, 28845981), (711, 28359129), (783, 25751393), (1399, 14412681), (2097, 9615327), (2133, 9453043), (2291, 8801109), (4197, 4804227), (6291, 3205109), (6757, 2984067), (6873, 2933703), (12591, 1601409), (18407, 1095417), (20271, 994689), (20619, 977901), (37773, 533803), (40571, 496989), (55221, 365139), (60813, 331563), (61857, 325967), (110521, 182439), (121713, 165663)]