20244365

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 27234144

約数和(自身を除く): 6989779

約数列:

[1, 5, 17, 37, 41, 85, 157, 185, 205, 629, 697, 785, 1517, 2669, 3145, 3485, 5809, 6437, 7585, 13345, 25789, 29045, 32185, 98753, 109429, 128945, 238169, 493765, 547145, 1190845, 4048873, 20244365]

約数ペア:

[(1, 20244365), (5, 4048873), (17, 1190845), (37, 547145), (41, 493765), (85, 238169), (157, 128945), (185, 109429), (205, 98753), (629, 32185), (697, 29045), (785, 25789), (1517, 13345), (2669, 7585), (3145, 6437), (3485, 5809)]