20634328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1061}}^1$

素因数の和:1108

約数の個数: 64

約数和(自身を含む): 48172320

約数和(自身を除く): 27537992

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 187, 221, 286, 374, 442, 572, 748, 884, 1061, 1144, 1496, 1768, 2122, 2431, 4244, 4862, 8488, 9724, 11671, 13793, 18037, 19448, 23342, 27586, 36074, 46684, 55172, 72148, 93368, 110344, 144296, 151723, 198407, 234481, 303446, 396814, 468962, 606892, 793628, 937924, 1213784, 1587256, 1875848, 2579291, 5158582, 10317164, 20634328]

約数ペア:

[(1, 20634328), (2, 10317164), (4, 5158582), (8, 2579291), (11, 1875848), (13, 1587256), (17, 1213784), (22, 937924), (26, 793628), (34, 606892), (44, 468962), (52, 396814), (68, 303446), (88, 234481), (104, 198407), (136, 151723), (143, 144296), (187, 110344), (221, 93368), (286, 72148), (374, 55172), (442, 46684), (572, 36074), (748, 27586), (884, 23342), (1061, 19448), (1144, 18037), (1496, 13793), (1768, 11671), (2122, 9724), (2431, 8488), (4244, 4862)]