20408388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1699}}^1$

素因数の和:1737

約数の個数: 96

約数和(自身を含む): 63974400

約数和(自身を除く): 43566012

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 132, 143, 154, 156, 182, 231, 273, 286, 308, 364, 429, 462, 546, 572, 858, 924, 1001, 1092, 1699, 1716, 2002, 3003, 3398, 4004, 5097, 6006, 6796, 10194, 11893, 12012, 18689, 20388, 22087, 23786, 35679, 37378, 44174, 47572, 56067, 66261, 71358, 74756, 88348, 112134, 130823, 132522, 142716, 154609, 224268, 242957, 261646, 265044, 309218, 392469, 463827, 485914, 523292, 618436, 728871, 784938, 927654, 971828, 1457742, 1569876, 1700699, 1855308, 2915484, 3401398, 5102097, 6802796, 10204194, 20408388]

約数ペア:

[(1, 20408388), (2, 10204194), (3, 6802796), (4, 5102097), (6, 3401398), (7, 2915484), (11, 1855308), (12, 1700699), (13, 1569876), (14, 1457742), (21, 971828), (22, 927654), (26, 784938), (28, 728871), (33, 618436), (39, 523292), (42, 485914), (44, 463827), (52, 392469), (66, 309218), (77, 265044), (78, 261646), (84, 242957), (91, 224268), (132, 154609), (143, 142716), (154, 132522), (156, 130823), (182, 112134), (231, 88348), (273, 74756), (286, 71358), (308, 66261), (364, 56067), (429, 47572), (462, 44174), (546, 37378), (572, 35679), (858, 23786), (924, 22087), (1001, 20388), (1092, 18689), (1699, 12012), (1716, 11893), (2002, 10194), (3003, 6796), (3398, 6006), (4004, 5097)]