20145785560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1\times {\mathrm{34703}}^1$

素因数の和:35368

約数の個数: 64

約数和(自身を含む): 47375124480

約数和(自身を除く): 27229338920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 631, 920, 1262, 2524, 3155, 5048, 6310, 12620, 14513, 25240, 29026, 34703, 58052, 69406, 72565, 116104, 138812, 145130, 173515, 277624, 290260, 347030, 580520, 694060, 798169, 1388120, 1596338, 3192676, 3990845, 6385352, 7981690, 15963380, 21897593, 31926760, 43795186, 87590372, 109487965, 175180744, 218975930, 437951860, 503644639, 875903720, 1007289278, 2014578556, 2518223195, 4029157112, 5036446390, 10072892780, 20145785560]

約数ペア:

[(1, 20145785560), (2, 10072892780), (4, 5036446390), (5, 4029157112), (8, 2518223195), (10, 2014578556), (20, 1007289278), (23, 875903720), (40, 503644639), (46, 437951860), (92, 218975930), (115, 175180744), (184, 109487965), (230, 87590372), (460, 43795186), (631, 31926760), (920, 21897593), (1262, 15963380), (2524, 7981690), (3155, 6385352), (5048, 3990845), (6310, 3192676), (12620, 1596338), (14513, 1388120), (25240, 798169), (29026, 694060), (34703, 580520), (58052, 347030), (69406, 290260), (72565, 277624), (116104, 173515), (138812, 145130)]