20507032

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1657}}^1$

素因数の和:1700

約数の個数: 64

約数和(自身を含む): 50137920

約数和(自身を除く): 29630888

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1657, 1768, 3094, 3314, 6188, 6628, 11599, 12376, 13256, 21541, 23198, 28169, 43082, 46396, 56338, 86164, 92792, 112676, 150787, 172328, 197183, 225352, 301574, 366197, 394366, 603148, 732394, 788732, 1206296, 1464788, 1577464, 2563379, 2929576, 5126758, 10253516, 20507032]

約数ペア:

[(1, 20507032), (2, 10253516), (4, 5126758), (7, 2929576), (8, 2563379), (13, 1577464), (14, 1464788), (17, 1206296), (26, 788732), (28, 732394), (34, 603148), (52, 394366), (56, 366197), (68, 301574), (91, 225352), (104, 197183), (119, 172328), (136, 150787), (182, 112676), (221, 92792), (238, 86164), (364, 56338), (442, 46396), (476, 43082), (728, 28169), (884, 23198), (952, 21541), (1547, 13256), (1657, 12376), (1768, 11599), (3094, 6628), (3314, 6188)]