20903670382

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{8273}}^1$

素因数の和:8390

約数の個数: 96

約数和(自身を含む): 40747795200

約数和(自身を除く): 19844124818

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 49, 59, 98, 118, 133, 161, 266, 322, 413, 437, 826, 874, 931, 1121, 1127, 1357, 1862, 2242, 2254, 2714, 2891, 3059, 5782, 6118, 7847, 8273, 9499, 15694, 16546, 18998, 21413, 25783, 42826, 51566, 54929, 57911, 66493, 109858, 115822, 132986, 157187, 180481, 190279, 314374, 360962, 380558, 405377, 488107, 810754, 976214, 1100309, 1263367, 1331953, 2200618, 2526734, 2663906, 3416749, 3615301, 6833498, 7230602, 7702163, 9274033, 9323671, 11226461, 15404326, 18548066, 18647342, 22452922, 23917243, 25307107, 47834486, 50614214, 64918231, 78585227, 129836462, 157170454, 177149749, 213302759, 354299498, 426605518, 454427617, 550096589, 908855234, 1100193178, 1493119313, 2986238626, 10451835191, 20903670382]

約数ペア:

[(1, 20903670382), (2, 10451835191), (7, 2986238626), (14, 1493119313), (19, 1100193178), (23, 908855234), (38, 550096589), (46, 454427617), (49, 426605518), (59, 354299498), (98, 213302759), (118, 177149749), (133, 157170454), (161, 129836462), (266, 78585227), (322, 64918231), (413, 50614214), (437, 47834486), (826, 25307107), (874, 23917243), (931, 22452922), (1121, 18647342), (1127, 18548066), (1357, 15404326), (1862, 11226461), (2242, 9323671), (2254, 9274033), (2714, 7702163), (2891, 7230602), (3059, 6833498), (5782, 3615301), (6118, 3416749), (7847, 2663906), (8273, 2526734), (9499, 2200618), (15694, 1331953), (16546, 1263367), (18998, 1100309), (21413, 976214), (25783, 810754), (42826, 488107), (51566, 405377), (54929, 380558), (57911, 360962), (66493, 314374), (109858, 190279), (115822, 180481), (132986, 157187)]