20185175025

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{695441}}^1$

素因数の和:695503

約数の個数: 48

約数和(自身を含む): 37943315520

約数和(自身を除く): 17758140495

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 645, 675, 1075, 1161, 1935, 3225, 5805, 9675, 29025, 695441, 2086323, 3477205, 6258969, 10431615, 17386025, 18776907, 29903963, 31294845, 52158075, 89711889, 93884535, 149519815, 156474225, 269135667, 448559445, 469422675, 747599075, 807407001, 1345678335, 2242797225, 4037035005, 6728391675, 20185175025]

約数ペア:

[(1, 20185175025), (3, 6728391675), (5, 4037035005), (9, 2242797225), (15, 1345678335), (25, 807407001), (27, 747599075), (43, 469422675), (45, 448559445), (75, 269135667), (129, 156474225), (135, 149519815), (215, 93884535), (225, 89711889), (387, 52158075), (645, 31294845), (675, 29903963), (1075, 18776907), (1161, 17386025), (1935, 10431615), (3225, 6258969), (5805, 3477205), (9675, 2086323), (29025, 695441)]