20308264

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 43228800

約数和(自身を除く): 22920536

約数列:

[1, 2, 4, 8, 19, 23, 37, 38, 46, 74, 76, 92, 148, 152, 157, 184, 296, 314, 437, 628, 703, 851, 874, 1256, 1406, 1702, 1748, 2812, 2983, 3404, 3496, 3611, 5624, 5809, 5966, 6808, 7222, 11618, 11932, 14444, 16169, 23236, 23864, 28888, 32338, 46472, 64676, 68609, 110371, 129352, 133607, 137218, 220742, 267214, 274436, 441484, 534428, 548872, 882968, 1068856, 2538533, 5077066, 10154132, 20308264]

約数ペア:

[(1, 20308264), (2, 10154132), (4, 5077066), (8, 2538533), (19, 1068856), (23, 882968), (37, 548872), (38, 534428), (46, 441484), (74, 274436), (76, 267214), (92, 220742), (148, 137218), (152, 133607), (157, 129352), (184, 110371), (296, 68609), (314, 64676), (437, 46472), (628, 32338), (703, 28888), (851, 23864), (874, 23236), (1256, 16169), (1406, 14444), (1702, 11932), (1748, 11618), (2812, 7222), (2983, 6808), (3404, 5966), (3496, 5809), (3611, 5624)]