20311060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{109}}^1$

素因数の和:158

約数の個数: 96

約数和(自身を含む): 54109440

約数和(自身を除く): 33798380

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 109, 110, 121, 140, 154, 218, 220, 242, 308, 385, 436, 484, 545, 605, 763, 770, 847, 1090, 1199, 1210, 1331, 1526, 1540, 1694, 2180, 2398, 2420, 2662, 3052, 3388, 3815, 4235, 4796, 5324, 5995, 6655, 7630, 8393, 8470, 9317, 11990, 13189, 13310, 15260, 16786, 16940, 18634, 23980, 26378, 26620, 33572, 37268, 41965, 46585, 52756, 65945, 83930, 92323, 93170, 131890, 145079, 167860, 184646, 186340, 263780, 290158, 369292, 461615, 580316, 725395, 923230, 1015553, 1450790, 1846460, 2031106, 2901580, 4062212, 5077765, 10155530, 20311060]

約数ペア:

[(1, 20311060), (2, 10155530), (4, 5077765), (5, 4062212), (7, 2901580), (10, 2031106), (11, 1846460), (14, 1450790), (20, 1015553), (22, 923230), (28, 725395), (35, 580316), (44, 461615), (55, 369292), (70, 290158), (77, 263780), (109, 186340), (110, 184646), (121, 167860), (140, 145079), (154, 131890), (218, 93170), (220, 92323), (242, 83930), (308, 65945), (385, 52756), (436, 46585), (484, 41965), (545, 37268), (605, 33572), (763, 26620), (770, 26378), (847, 23980), (1090, 18634), (1199, 16940), (1210, 16786), (1331, 15260), (1526, 13310), (1540, 13189), (1694, 11990), (2180, 9317), (2398, 8470), (2420, 8393), (2662, 7630), (3052, 6655), (3388, 5995), (3815, 5324), (4235, 4796)]