20194373360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{49603}}^1$

素因数の和:50350

約数の個数: 80

約数和(自身を含む): 53734227456

約数和(自身を除く): 33539854096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 727, 1454, 2908, 3635, 5089, 5816, 7270, 10178, 11632, 14540, 20356, 25445, 29080, 40712, 49603, 50890, 58160, 81424, 99206, 101780, 198412, 203560, 248015, 347221, 396824, 407120, 496030, 694442, 793648, 992060, 1388884, 1736105, 1984120, 2777768, 3472210, 3968240, 5555536, 6944420, 13888840, 27777680, 36061381, 72122762, 144245524, 180306905, 252429667, 288491048, 360613810, 504859334, 576982096, 721227620, 1009718668, 1262148335, 1442455240, 2019437336, 2524296670, 2884910480, 4038874672, 5048593340, 10097186680, 20194373360]

約数ペア:

[(1, 20194373360), (2, 10097186680), (4, 5048593340), (5, 4038874672), (7, 2884910480), (8, 2524296670), (10, 2019437336), (14, 1442455240), (16, 1262148335), (20, 1009718668), (28, 721227620), (35, 576982096), (40, 504859334), (56, 360613810), (70, 288491048), (80, 252429667), (112, 180306905), (140, 144245524), (280, 72122762), (560, 36061381), (727, 27777680), (1454, 13888840), (2908, 6944420), (3635, 5555536), (5089, 3968240), (5816, 3472210), (7270, 2777768), (10178, 1984120), (11632, 1736105), (14540, 1388884), (20356, 992060), (25445, 793648), (29080, 694442), (40712, 496030), (49603, 407120), (50890, 396824), (58160, 347221), (81424, 248015), (99206, 203560), (101780, 198412)]