20691684

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:234

約数の個数: 108

約数和(自身を含む): 59950800

約数和(自身を除く): 39259116

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 169, 171, 179, 228, 234, 247, 338, 342, 358, 468, 494, 507, 537, 676, 684, 716, 741, 988, 1014, 1074, 1482, 1521, 1611, 2028, 2148, 2223, 2327, 2964, 3042, 3211, 3222, 3401, 4446, 4654, 6084, 6422, 6444, 6802, 6981, 8892, 9308, 9633, 10203, 12844, 13604, 13962, 19266, 20406, 20943, 27924, 28899, 30251, 30609, 38532, 40812, 41886, 44213, 57798, 60502, 61218, 83772, 88426, 90753, 115596, 121004, 122436, 132639, 176852, 181506, 265278, 272259, 363012, 397917, 530556, 544518, 574769, 795834, 1089036, 1149538, 1591668, 1724307, 2299076, 3448614, 5172921, 6897228, 10345842, 20691684]

約数ペア:

[(1, 20691684), (2, 10345842), (3, 6897228), (4, 5172921), (6, 3448614), (9, 2299076), (12, 1724307), (13, 1591668), (18, 1149538), (19, 1089036), (26, 795834), (36, 574769), (38, 544518), (39, 530556), (52, 397917), (57, 363012), (76, 272259), (78, 265278), (114, 181506), (117, 176852), (156, 132639), (169, 122436), (171, 121004), (179, 115596), (228, 90753), (234, 88426), (247, 83772), (338, 61218), (342, 60502), (358, 57798), (468, 44213), (494, 41886), (507, 40812), (537, 38532), (676, 30609), (684, 30251), (716, 28899), (741, 27924), (988, 20943), (1014, 20406), (1074, 19266), (1482, 13962), (1521, 13604), (1611, 12844), (2028, 10203), (2148, 9633), (2223, 9308), (2327, 8892), (2964, 6981), (3042, 6802), (3211, 6444), (3222, 6422), (3401, 6084), (4446, 4654)]