20189988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6163}}^1$

素因数の和:6193

約数の個数: 72

約数和(自身を含む): 62823488

約数和(自身を除く): 42633500

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, 6163, 12326, 18489, 24652, 36978, 43141, 55467, 73956, 80119, 86282, 110934, 129423, 160238, 172564, 221868, 240357, 258846, 320476, 388269, 480714, 517692, 560833, 721071, 776538, 961428, 1121666, 1442142, 1553076, 1682499, 2243332, 2884284, 3364998, 5047497, 6729996, 10094994, 20189988]

約数ペア:

[(1, 20189988), (2, 10094994), (3, 6729996), (4, 5047497), (6, 3364998), (7, 2884284), (9, 2243332), (12, 1682499), (13, 1553076), (14, 1442142), (18, 1121666), (21, 961428), (26, 776538), (28, 721071), (36, 560833), (39, 517692), (42, 480714), (52, 388269), (63, 320476), (78, 258846), (84, 240357), (91, 221868), (117, 172564), (126, 160238), (156, 129423), (182, 110934), (234, 86282), (252, 80119), (273, 73956), (364, 55467), (468, 43141), (546, 36978), (819, 24652), (1092, 18489), (1638, 12326), (3276, 6163)]