20062040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 48353760

約数和(自身を除く): 28291720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 181, 326, 340, 362, 652, 680, 724, 815, 905, 1304, 1448, 1630, 1810, 2771, 3077, 3260, 3620, 5542, 6154, 6520, 7240, 11084, 12308, 13855, 15385, 22168, 24616, 27710, 29503, 30770, 55420, 59006, 61540, 110840, 118012, 123080, 147515, 236024, 295030, 501551, 590060, 1003102, 1180120, 2006204, 2507755, 4012408, 5015510, 10031020, 20062040]

約数ペア:

[(1, 20062040), (2, 10031020), (4, 5015510), (5, 4012408), (8, 2507755), (10, 2006204), (17, 1180120), (20, 1003102), (34, 590060), (40, 501551), (68, 295030), (85, 236024), (136, 147515), (163, 123080), (170, 118012), (181, 110840), (326, 61540), (340, 59006), (362, 55420), (652, 30770), (680, 29503), (724, 27710), (815, 24616), (905, 22168), (1304, 15385), (1448, 13855), (1630, 12308), (1810, 11084), (2771, 7240), (3077, 6520), (3260, 6154), (3620, 5542)]