20166095859

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{643}}^1\times {\mathrm{8837}}^1$

素因数の和:9516

約数の個数: 48

約数和(自身を含む): 33330431232

約数和(自身を除く): 13164335373

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 643, 1183, 1929, 3549, 4501, 8359, 8837, 13503, 25077, 26511, 58513, 61859, 108667, 114881, 175539, 185577, 326001, 344643, 760669, 804167, 1493453, 2282007, 2412501, 4480359, 5682191, 10454171, 17046573, 31362513, 39775337, 73868483, 119326011, 221605449, 517079381, 960290279, 1551238143, 2880870837, 6722031953, 20166095859]

約数ペア:

[(1, 20166095859), (3, 6722031953), (7, 2880870837), (13, 1551238143), (21, 960290279), (39, 517079381), (91, 221605449), (169, 119326011), (273, 73868483), (507, 39775337), (643, 31362513), (1183, 17046573), (1929, 10454171), (3549, 5682191), (4501, 4480359), (8359, 2412501), (8837, 2282007), (13503, 1493453), (25077, 804167), (26511, 760669), (58513, 344643), (61859, 326001), (108667, 185577), (114881, 175539)]