20779668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6343}}^1$

素因数の和:6373

約数の個数: 72

約数和(自身を含む): 64658048

約数和(自身を除く): 43878380

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6343, 12686, 19029, 25372, 38058, 44401, 57087, 76116, 82459, 88802, 114174, 133203, 164918, 177604, 228348, 247377, 266406, 329836, 399609, 494754, 532812, 577213, 742131, 799218, 989508, 1154426, 1484262, 1598436, 1731639, 2308852, 2968524, 3463278, 5194917, 6926556, 10389834, 20779668]

約数ペア:

[(1, 20779668), (2, 10389834), (3, 6926556), (4, 5194917), (6, 3463278), (7, 2968524), (9, 2308852), (12, 1731639), (13, 1598436), (14, 1484262), (18, 1154426), (21, 989508), (26, 799218), (28, 742131), (36, 577213), (39, 532812), (42, 494754), (52, 399609), (63, 329836), (78, 266406), (84, 247377), (91, 228348), (117, 177604), (126, 164918), (156, 133203), (182, 114174), (234, 88802), (252, 82459), (273, 76116), (364, 57087), (468, 44401), (546, 38058), (819, 25372), (1092, 19029), (1638, 12686), (3276, 6343)]