20186140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4567}}^1$

素因数の和:4606

約数の個数: 48

約数和(自身を含む): 48347712

約数和(自身を除く): 28161572

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 4567, 9134, 18268, 22835, 45670, 59371, 77639, 91340, 118742, 155278, 237484, 296855, 310556, 388195, 593710, 776390, 1009307, 1187420, 1552780, 2018614, 4037228, 5046535, 10093070, 20186140]

約数ペア:

[(1, 20186140), (2, 10093070), (4, 5046535), (5, 4037228), (10, 2018614), (13, 1552780), (17, 1187420), (20, 1009307), (26, 776390), (34, 593710), (52, 388195), (65, 310556), (68, 296855), (85, 237484), (130, 155278), (170, 118742), (221, 91340), (260, 77639), (340, 59371), (442, 45670), (884, 22835), (1105, 18268), (2210, 9134), (4420, 4567)]