20444494

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{509}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 37209600

約数和(自身を除く): 16765106

約数列:

[1, 2, 7, 14, 19, 38, 133, 151, 266, 302, 509, 1018, 1057, 2114, 2869, 3563, 5738, 7126, 9671, 19342, 20083, 40166, 67697, 76859, 135394, 153718, 538013, 1076026, 1460321, 2920642, 10222247, 20444494]

約数ペア:

[(1, 20444494), (2, 10222247), (7, 2920642), (14, 1460321), (19, 1076026), (38, 538013), (133, 153718), (151, 135394), (266, 76859), (302, 67697), (509, 40166), (1018, 20083), (1057, 19342), (2114, 9671), (2869, 7126), (3563, 5738)]