20153733296

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{186581}}^1$

素因数の和:186789

約数の個数: 40

約数和(自身を含む): 40210659984

約数和(自身を除く): 20056926688

約数列:

[1, 2, 4, 8, 16, 43, 86, 157, 172, 314, 344, 628, 688, 1256, 2512, 6751, 13502, 27004, 54008, 108016, 186581, 373162, 746324, 1492648, 2985296, 8022983, 16045966, 29293217, 32091932, 58586434, 64183864, 117172868, 128367728, 234345736, 468691472, 1259608331, 2519216662, 5038433324, 10076866648, 20153733296]

約数ペア:

[(1, 20153733296), (2, 10076866648), (4, 5038433324), (8, 2519216662), (16, 1259608331), (43, 468691472), (86, 234345736), (157, 128367728), (172, 117172868), (314, 64183864), (344, 58586434), (628, 32091932), (688, 29293217), (1256, 16045966), (2512, 8022983), (6751, 2985296), (13502, 1492648), (27004, 746324), (54008, 373162), (108016, 186581)]