20402969560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{94651}}^1$

素因数の和:94996

約数の個数: 64

約数和(自身を含む): 48760924320

約数和(自身を除く): 28357954760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 317, 340, 634, 680, 1268, 1585, 2536, 3170, 5389, 6340, 10778, 12680, 21556, 26945, 43112, 53890, 94651, 107780, 189302, 215560, 378604, 473255, 757208, 946510, 1609067, 1893020, 3218134, 3786040, 6436268, 8045335, 12872536, 16090670, 30004367, 32181340, 60008734, 64362680, 120017468, 150021835, 240034936, 300043670, 510074239, 600087340, 1020148478, 1200174680, 2040296956, 2550371195, 4080593912, 5100742390, 10201484780, 20402969560]

約数ペア:

[(1, 20402969560), (2, 10201484780), (4, 5100742390), (5, 4080593912), (8, 2550371195), (10, 2040296956), (17, 1200174680), (20, 1020148478), (34, 600087340), (40, 510074239), (68, 300043670), (85, 240034936), (136, 150021835), (170, 120017468), (317, 64362680), (340, 60008734), (634, 32181340), (680, 30004367), (1268, 16090670), (1585, 12872536), (2536, 8045335), (3170, 6436268), (5389, 3786040), (6340, 3218134), (10778, 1893020), (12680, 1609067), (21556, 946510), (26945, 757208), (43112, 473255), (53890, 378604), (94651, 215560), (107780, 189302)]