20391462

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 55560960

約数和(自身を除く): 35169498

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 59, 63, 78, 91, 117, 118, 126, 177, 182, 211, 234, 273, 354, 413, 422, 531, 546, 633, 767, 819, 826, 1062, 1239, 1266, 1477, 1534, 1638, 1899, 2301, 2478, 2743, 2954, 3717, 3798, 4431, 4602, 5369, 5486, 6903, 7434, 8229, 8862, 10738, 12449, 13293, 13806, 16107, 16458, 19201, 24687, 24898, 26586, 32214, 37347, 38402, 48321, 49374, 57603, 74694, 87143, 96642, 112041, 115206, 161837, 172809, 174286, 224082, 261429, 323674, 345618, 485511, 522858, 784287, 971022, 1132859, 1456533, 1568574, 2265718, 2913066, 3398577, 6797154, 10195731, 20391462]

約数ペア:

[(1, 20391462), (2, 10195731), (3, 6797154), (6, 3398577), (7, 2913066), (9, 2265718), (13, 1568574), (14, 1456533), (18, 1132859), (21, 971022), (26, 784287), (39, 522858), (42, 485511), (59, 345618), (63, 323674), (78, 261429), (91, 224082), (117, 174286), (118, 172809), (126, 161837), (177, 115206), (182, 112041), (211, 96642), (234, 87143), (273, 74694), (354, 57603), (413, 49374), (422, 48321), (531, 38402), (546, 37347), (633, 32214), (767, 26586), (819, 24898), (826, 24687), (1062, 19201), (1239, 16458), (1266, 16107), (1477, 13806), (1534, 13293), (1638, 12449), (1899, 10738), (2301, 8862), (2478, 8229), (2743, 7434), (2954, 6903), (3717, 5486), (3798, 5369), (4431, 4602)]