20078920150

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{445703}}^1$

素因数の和:445785

約数の個数: 48

約数和(自身を含む): 40289858784

約数和(自身を除く): 20210938634

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 53, 85, 106, 170, 265, 425, 530, 850, 901, 1325, 1802, 2650, 4505, 9010, 22525, 45050, 445703, 891406, 2228515, 4457030, 7576951, 11142575, 15153902, 22285150, 23622259, 37884755, 47244518, 75769510, 118111295, 189423775, 236222590, 378847550, 401578403, 590556475, 803156806, 1181112950, 2007892015, 4015784030, 10039460075, 20078920150]

約数ペア:

[(1, 20078920150), (2, 10039460075), (5, 4015784030), (10, 2007892015), (17, 1181112950), (25, 803156806), (34, 590556475), (50, 401578403), (53, 378847550), (85, 236222590), (106, 189423775), (170, 118111295), (265, 75769510), (425, 47244518), (530, 37884755), (850, 23622259), (901, 22285150), (1325, 15153902), (1802, 11142575), (2650, 7576951), (4505, 4457030), (9010, 2228515), (22525, 891406), (45050, 445703)]