20358450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:329

約数の個数: 144

約数和(自身を含む): 65460096

約数和(自身を除く): 45101646

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 25, 30, 35, 42, 45, 46, 50, 63, 69, 70, 75, 90, 105, 115, 126, 138, 150, 161, 175, 207, 210, 225, 230, 281, 315, 322, 345, 350, 414, 450, 483, 525, 562, 575, 630, 690, 805, 843, 966, 1035, 1050, 1150, 1405, 1449, 1575, 1610, 1686, 1725, 1967, 2070, 2415, 2529, 2810, 2898, 3150, 3450, 3934, 4025, 4215, 4830, 5058, 5175, 5901, 6463, 7025, 7245, 8050, 8430, 9835, 10350, 11802, 12075, 12645, 12926, 14050, 14490, 17703, 19389, 19670, 21075, 24150, 25290, 29505, 32315, 35406, 36225, 38778, 42150, 45241, 49175, 58167, 59010, 63225, 64630, 72450, 88515, 90482, 96945, 98350, 116334, 126450, 135723, 147525, 161575, 177030, 193890, 226205, 271446, 290835, 295050, 323150, 407169, 442575, 452410, 484725, 581670, 678615, 814338, 885150, 969450, 1131025, 1357230, 1454175, 2035845, 2262050, 2908350, 3393075, 4071690, 6786150, 10179225, 20358450]

約数ペア:

[(1, 20358450), (2, 10179225), (3, 6786150), (5, 4071690), (6, 3393075), (7, 2908350), (9, 2262050), (10, 2035845), (14, 1454175), (15, 1357230), (18, 1131025), (21, 969450), (23, 885150), (25, 814338), (30, 678615), (35, 581670), (42, 484725), (45, 452410), (46, 442575), (50, 407169), (63, 323150), (69, 295050), (70, 290835), (75, 271446), (90, 226205), (105, 193890), (115, 177030), (126, 161575), (138, 147525), (150, 135723), (161, 126450), (175, 116334), (207, 98350), (210, 96945), (225, 90482), (230, 88515), (281, 72450), (315, 64630), (322, 63225), (345, 59010), (350, 58167), (414, 49175), (450, 45241), (483, 42150), (525, 38778), (562, 36225), (575, 35406), (630, 32315), (690, 29505), (805, 25290), (843, 24150), (966, 21075), (1035, 19670), (1050, 19389), (1150, 17703), (1405, 14490), (1449, 14050), (1575, 12926), (1610, 12645), (1686, 12075), (1725, 11802), (1967, 10350), (2070, 9835), (2415, 8430), (2529, 8050), (2810, 7245), (2898, 7025), (3150, 6463), (3450, 5901), (3934, 5175), (4025, 5058), (4215, 4830)]