20505632

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2953}}^1$

素因数の和:3001

約数の個数: 48

約数和(自身を含む): 47642112

約数和(自身を除く): 27136480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 2953, 3472, 5906, 6944, 11812, 20671, 23624, 41342, 47248, 82684, 91543, 94496, 165368, 183086, 330736, 366172, 640801, 661472, 732344, 1281602, 1464688, 2563204, 2929376, 5126408, 10252816, 20505632]

約数ペア:

[(1, 20505632), (2, 10252816), (4, 5126408), (7, 2929376), (8, 2563204), (14, 1464688), (16, 1281602), (28, 732344), (31, 661472), (32, 640801), (56, 366172), (62, 330736), (112, 183086), (124, 165368), (217, 94496), (224, 91543), (248, 82684), (434, 47248), (496, 41342), (868, 23624), (992, 20671), (1736, 11812), (2953, 6944), (3472, 5906)]