20123382232

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{347}}^1\times {\mathrm{787}}^1$

素因数の和:1352

約数の個数: 64

約数和(自身を含む): 38764304640

約数和(自身を除く): 18640922408

約数列:

[1, 2, 4, 8, 61, 122, 151, 244, 302, 347, 488, 604, 694, 787, 1208, 1388, 1574, 2776, 3148, 6296, 9211, 18422, 21167, 36844, 42334, 48007, 52397, 73688, 84668, 96014, 104794, 118837, 169336, 192028, 209588, 237674, 273089, 384056, 419176, 475348, 546178, 950696, 1092356, 2184712, 3196217, 6392434, 7249057, 12784868, 14498114, 16658429, 25569736, 28996228, 33316858, 41236439, 57992456, 66633716, 82472878, 133267432, 164945756, 329891512, 2515422779, 5030845558, 10061691116, 20123382232]

約数ペア:

[(1, 20123382232), (2, 10061691116), (4, 5030845558), (8, 2515422779), (61, 329891512), (122, 164945756), (151, 133267432), (244, 82472878), (302, 66633716), (347, 57992456), (488, 41236439), (604, 33316858), (694, 28996228), (787, 25569736), (1208, 16658429), (1388, 14498114), (1574, 12784868), (2776, 7249057), (3148, 6392434), (6296, 3196217), (9211, 2184712), (18422, 1092356), (21167, 950696), (36844, 546178), (42334, 475348), (48007, 419176), (52397, 384056), (73688, 273089), (84668, 237674), (96014, 209588), (104794, 192028), (118837, 169336)]