20372690744

素因数分解:

$2^3\times 7^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1\times {\mathrm{1847}}^1$

素因数の和:2748

約数の個数: 64

約数和(自身を含む): 43876546560

約数和(自身を除く): 23503855816

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 431, 457, 862, 914, 1724, 1828, 1847, 3017, 3199, 3448, 3656, 3694, 6034, 6398, 7388, 12068, 12796, 12929, 14776, 24136, 25592, 25858, 51716, 103432, 196967, 393934, 787868, 796057, 844079, 1378769, 1575736, 1592114, 1688158, 2757538, 3184228, 3376316, 5515076, 5572399, 5908553, 6368456, 6752632, 11030152, 11144798, 11817106, 22289596, 23634212, 44579192, 47268424, 363798049, 727596098, 1455192196, 2546586343, 2910384392, 5093172686, 10186345372, 20372690744]

約数ペア:

[(1, 20372690744), (2, 10186345372), (4, 5093172686), (7, 2910384392), (8, 2546586343), (14, 1455192196), (28, 727596098), (56, 363798049), (431, 47268424), (457, 44579192), (862, 23634212), (914, 22289596), (1724, 11817106), (1828, 11144798), (1847, 11030152), (3017, 6752632), (3199, 6368456), (3448, 5908553), (3656, 5572399), (3694, 5515076), (6034, 3376316), (6398, 3184228), (7388, 2757538), (12068, 1688158), (12796, 1592114), (12929, 1575736), (14776, 1378769), (24136, 844079), (25592, 796057), (25858, 787868), (51716, 393934), (103432, 196967)]