20189190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{757}}^1$

素因数の和:901

約数の個数: 64

約数和(自身を含む): 55885824

約数和(自身を除く): 35696634

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 127, 210, 254, 381, 635, 757, 762, 889, 1270, 1514, 1778, 1905, 2271, 2667, 3785, 3810, 4445, 4542, 5299, 5334, 7570, 8890, 10598, 11355, 13335, 15897, 22710, 26495, 26670, 31794, 52990, 79485, 96139, 158970, 192278, 288417, 480695, 576834, 672973, 961390, 1345946, 1442085, 2018919, 2884170, 3364865, 4037838, 6729730, 10094595, 20189190]

約数ペア:

[(1, 20189190), (2, 10094595), (3, 6729730), (5, 4037838), (6, 3364865), (7, 2884170), (10, 2018919), (14, 1442085), (15, 1345946), (21, 961390), (30, 672973), (35, 576834), (42, 480695), (70, 288417), (105, 192278), (127, 158970), (210, 96139), (254, 79485), (381, 52990), (635, 31794), (757, 26670), (762, 26495), (889, 22710), (1270, 15897), (1514, 13335), (1778, 11355), (1905, 10598), (2271, 8890), (2667, 7570), (3785, 5334), (3810, 5299), (4445, 4542)]