20935432

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21991}}^1$

素因数の和:22021

約数の個数: 32

約数和(自身を含む): 47502720

約数和(自身を除く): 26567288

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21991, 43982, 87964, 153937, 175928, 307874, 373847, 615748, 747694, 1231496, 1495388, 2616929, 2990776, 5233858, 10467716, 20935432]

約数ペア:

[(1, 20935432), (2, 10467716), (4, 5233858), (7, 2990776), (8, 2616929), (14, 1495388), (17, 1231496), (28, 747694), (34, 615748), (56, 373847), (68, 307874), (119, 175928), (136, 153937), (238, 87964), (476, 43982), (952, 21991)]