20927400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2683}}^1$

素因数の和:2715

約数の個数: 96

約数和(自身を含む): 69891360

約数和(自身を除く): 48963960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 2683, 3900, 5366, 7800, 8049, 10732, 13415, 16098, 21464, 26830, 32196, 34879, 40245, 53660, 64392, 67075, 69758, 80490, 104637, 107320, 134150, 139516, 160980, 174395, 201225, 209274, 268300, 279032, 321960, 348790, 402450, 418548, 523185, 536600, 697580, 804900, 837096, 871975, 1046370, 1395160, 1609800, 1743950, 2092740, 2615925, 3487900, 4185480, 5231850, 6975800, 10463700, 20927400]

約数ペア:

[(1, 20927400), (2, 10463700), (3, 6975800), (4, 5231850), (5, 4185480), (6, 3487900), (8, 2615925), (10, 2092740), (12, 1743950), (13, 1609800), (15, 1395160), (20, 1046370), (24, 871975), (25, 837096), (26, 804900), (30, 697580), (39, 536600), (40, 523185), (50, 418548), (52, 402450), (60, 348790), (65, 321960), (75, 279032), (78, 268300), (100, 209274), (104, 201225), (120, 174395), (130, 160980), (150, 139516), (156, 134150), (195, 107320), (200, 104637), (260, 80490), (300, 69758), (312, 67075), (325, 64392), (390, 53660), (520, 40245), (600, 34879), (650, 32196), (780, 26830), (975, 21464), (1300, 16098), (1560, 13415), (1950, 10732), (2600, 8049), (2683, 7800), (3900, 5366)]