20211287565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1\times {\mathrm{6977}}^1$

素因数の和:7626

約数の個数: 64

約数和(自身を含む): 37813837824

約数和(自身を除く): 17602550259

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 587, 705, 987, 1645, 1761, 2935, 4109, 4935, 6977, 8805, 12327, 20545, 20931, 27589, 34885, 48839, 61635, 82767, 104655, 137945, 146517, 193123, 244195, 327919, 413835, 579369, 732585, 965615, 983757, 1639595, 2295433, 2896845, 4095499, 4918785, 6886299, 11477165, 12286497, 20477495, 28668493, 34431495, 61432485, 86005479, 143342465, 192488453, 430027395, 577465359, 962442265, 1347419171, 2887326795, 4042257513, 6737095855, 20211287565]

約数ペア:

[(1, 20211287565), (3, 6737095855), (5, 4042257513), (7, 2887326795), (15, 1347419171), (21, 962442265), (35, 577465359), (47, 430027395), (105, 192488453), (141, 143342465), (235, 86005479), (329, 61432485), (587, 34431495), (705, 28668493), (987, 20477495), (1645, 12286497), (1761, 11477165), (2935, 6886299), (4109, 4918785), (4935, 4095499), (6977, 2896845), (8805, 2295433), (12327, 1639595), (20545, 983757), (20931, 965615), (27589, 732585), (34885, 579369), (48839, 413835), (61635, 327919), (82767, 244195), (104655, 193123), (137945, 146517)]