20213162516

素因数分解:

$2^2\times {\mathrm{29}}^2\times {\mathrm{163}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 37244573184

約数和(自身を除く): 17031410668

約数列:

[1, 2, 4, 29, 58, 116, 163, 191, 193, 326, 382, 386, 652, 764, 772, 841, 1682, 3364, 4727, 5539, 5597, 9454, 11078, 11194, 18908, 22156, 22388, 31133, 31459, 36863, 62266, 62918, 73726, 124532, 125836, 137083, 147452, 160631, 162313, 274166, 321262, 324626, 548332, 642524, 649252, 902857, 912311, 1069027, 1805714, 1824622, 2138054, 3611428, 3649244, 4276108, 6008669, 12017338, 24034676, 26182853, 26457019, 31001783, 52365706, 52914038, 62003566, 104731412, 105828076, 124007132, 174251401, 348502802, 697005604, 5053290629, 10106581258, 20213162516]

約数ペア:

[(1, 20213162516), (2, 10106581258), (4, 5053290629), (29, 697005604), (58, 348502802), (116, 174251401), (163, 124007132), (191, 105828076), (193, 104731412), (326, 62003566), (382, 52914038), (386, 52365706), (652, 31001783), (764, 26457019), (772, 26182853), (841, 24034676), (1682, 12017338), (3364, 6008669), (4727, 4276108), (5539, 3649244), (5597, 3611428), (9454, 2138054), (11078, 1824622), (11194, 1805714), (18908, 1069027), (22156, 912311), (22388, 902857), (31133, 649252), (31459, 642524), (36863, 548332), (62266, 324626), (62918, 321262), (73726, 274166), (124532, 162313), (125836, 160631), (137083, 147452)]