20712664

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21757}}^1$

素因数の和:21787

約数の個数: 32

約数和(自身を含む): 46997280

約数和(自身を除く): 26284616

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21757, 43514, 87028, 152299, 174056, 304598, 369869, 609196, 739738, 1218392, 1479476, 2589083, 2958952, 5178166, 10356332, 20712664]

約数ペア:

[(1, 20712664), (2, 10356332), (4, 5178166), (7, 2958952), (8, 2589083), (14, 1479476), (17, 1218392), (28, 739738), (34, 609196), (56, 369869), (68, 304598), (119, 174056), (136, 152299), (238, 87028), (476, 43514), (952, 21757)]