20352120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5471}}^1$

素因数の和:5516

約数の個数: 64

約数和(自身を含む): 63037440

約数和(自身を除く): 42685320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5471, 10942, 16413, 21884, 27355, 32826, 43768, 54710, 65652, 82065, 109420, 131304, 164130, 169601, 218840, 328260, 339202, 508803, 656520, 678404, 848005, 1017606, 1356808, 1696010, 2035212, 2544015, 3392020, 4070424, 5088030, 6784040, 10176060, 20352120]

約数ペア:

[(1, 20352120), (2, 10176060), (3, 6784040), (4, 5088030), (5, 4070424), (6, 3392020), (8, 2544015), (10, 2035212), (12, 1696010), (15, 1356808), (20, 1017606), (24, 848005), (30, 678404), (31, 656520), (40, 508803), (60, 339202), (62, 328260), (93, 218840), (120, 169601), (124, 164130), (155, 131304), (186, 109420), (248, 82065), (310, 65652), (372, 54710), (465, 43768), (620, 32826), (744, 27355), (930, 21884), (1240, 16413), (1860, 10942), (3720, 5471)]