20148544

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:483

約数の個数: 56

約数和(自身を含む): 43873928

約数和(自身を除く): 23725384

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 208, 244, 397, 416, 488, 793, 794, 832, 976, 1586, 1588, 1952, 3172, 3176, 3904, 5161, 6344, 6352, 10322, 12688, 12704, 20644, 24217, 25376, 25408, 41288, 48434, 50752, 82576, 96868, 165152, 193736, 314821, 330304, 387472, 629642, 774944, 1259284, 1549888, 2518568, 5037136, 10074272, 20148544]

約数ペア:

[(1, 20148544), (2, 10074272), (4, 5037136), (8, 2518568), (13, 1549888), (16, 1259284), (26, 774944), (32, 629642), (52, 387472), (61, 330304), (64, 314821), (104, 193736), (122, 165152), (208, 96868), (244, 82576), (397, 50752), (416, 48434), (488, 41288), (793, 25408), (794, 25376), (832, 24217), (976, 20644), (1586, 12704), (1588, 12688), (1952, 10322), (3172, 6352), (3176, 6344), (3904, 5161)]