20891052

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{911}}^1$

素因数の和:948

約数の個数: 108

約数和(自身を含む): 66227616

約数和(自身を除く): 45336564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 182, 196, 234, 252, 273, 294, 364, 441, 468, 546, 588, 637, 819, 882, 911, 1092, 1274, 1638, 1764, 1822, 1911, 2548, 2733, 3276, 3644, 3822, 5466, 5733, 6377, 7644, 8199, 10932, 11466, 11843, 12754, 16398, 19131, 22932, 23686, 25508, 32796, 35529, 38262, 44639, 47372, 57393, 71058, 76524, 82901, 89278, 106587, 114786, 133917, 142116, 165802, 178556, 213174, 229572, 248703, 267834, 331604, 401751, 426348, 497406, 535668, 580307, 746109, 803502, 994812, 1160614, 1492218, 1607004, 1740921, 2321228, 2984436, 3481842, 5222763, 6963684, 10445526, 20891052]

約数ペア:

[(1, 20891052), (2, 10445526), (3, 6963684), (4, 5222763), (6, 3481842), (7, 2984436), (9, 2321228), (12, 1740921), (13, 1607004), (14, 1492218), (18, 1160614), (21, 994812), (26, 803502), (28, 746109), (36, 580307), (39, 535668), (42, 497406), (49, 426348), (52, 401751), (63, 331604), (78, 267834), (84, 248703), (91, 229572), (98, 213174), (117, 178556), (126, 165802), (147, 142116), (156, 133917), (182, 114786), (196, 106587), (234, 89278), (252, 82901), (273, 76524), (294, 71058), (364, 57393), (441, 47372), (468, 44639), (546, 38262), (588, 35529), (637, 32796), (819, 25508), (882, 23686), (911, 22932), (1092, 19131), (1274, 16398), (1638, 12754), (1764, 11843), (1822, 11466), (1911, 10932), (2548, 8199), (2733, 7644), (3276, 6377), (3644, 5733), (3822, 5466)]