20218887948

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1019}}^1\times {\mathrm{1187}}^1$

素因数の和:2419

約数の個数: 96

約数和(自身を含む): 54286848000

約数和(自身を除く): 34067960052

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 199, 398, 597, 796, 1019, 1187, 1194, 1393, 2038, 2374, 2388, 2786, 3057, 3561, 4076, 4179, 4748, 5572, 6114, 7122, 7133, 8309, 8358, 12228, 14244, 14266, 16618, 16716, 21399, 24927, 28532, 33236, 42798, 49854, 85596, 99708, 202781, 236213, 405562, 472426, 608343, 708639, 811124, 944852, 1209553, 1216686, 1417278, 1419467, 1653491, 2419106, 2433372, 2834556, 2838934, 3306982, 3628659, 4258401, 4838212, 4960473, 5677868, 6613964, 7257318, 8466871, 8516802, 9920946, 14514636, 16933742, 17033604, 19841892, 25400613, 33867484, 50801226, 101602452, 240701047, 481402094, 722103141, 962804188, 1444206282, 1684907329, 2888412564, 3369814658, 5054721987, 6739629316, 10109443974, 20218887948]

約数ペア:

[(1, 20218887948), (2, 10109443974), (3, 6739629316), (4, 5054721987), (6, 3369814658), (7, 2888412564), (12, 1684907329), (14, 1444206282), (21, 962804188), (28, 722103141), (42, 481402094), (84, 240701047), (199, 101602452), (398, 50801226), (597, 33867484), (796, 25400613), (1019, 19841892), (1187, 17033604), (1194, 16933742), (1393, 14514636), (2038, 9920946), (2374, 8516802), (2388, 8466871), (2786, 7257318), (3057, 6613964), (3561, 5677868), (4076, 4960473), (4179, 4838212), (4748, 4258401), (5572, 3628659), (6114, 3306982), (7122, 2838934), (7133, 2834556), (8309, 2433372), (8358, 2419106), (12228, 1653491), (14244, 1419467), (14266, 1417278), (16618, 1216686), (16716, 1209553), (21399, 944852), (24927, 811124), (28532, 708639), (33236, 608343), (42798, 472426), (49854, 405562), (85596, 236213), (99708, 202781)]