20363295

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 33732864

約数和(自身を除く): 13369569

約数列:

[1, 3, 5, 15, 43, 129, 131, 215, 241, 393, 645, 655, 723, 1205, 1965, 3615, 5633, 10363, 16899, 28165, 31089, 31571, 51815, 84495, 94713, 155445, 157855, 473565, 1357553, 4072659, 6787765, 20363295]

約数ペア:

[(1, 20363295), (3, 6787765), (5, 4072659), (15, 1357553), (43, 473565), (129, 157855), (131, 155445), (215, 94713), (241, 84495), (393, 51815), (645, 31571), (655, 31089), (723, 28165), (1205, 16899), (1965, 10363), (3615, 5633)]