20969130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7681}}^1$

素因数の和:7711

約数の個数: 64

約数和(自身を含む): 61947648

約数和(自身を除く): 40978518

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7681, 15362, 23043, 38405, 46086, 53767, 76810, 99853, 107534, 115215, 161301, 199706, 230430, 268835, 299559, 322602, 499265, 537670, 599118, 698971, 806505, 998530, 1397942, 1497795, 1613010, 2096913, 2995590, 3494855, 4193826, 6989710, 10484565, 20969130]

約数ペア:

[(1, 20969130), (2, 10484565), (3, 6989710), (5, 4193826), (6, 3494855), (7, 2995590), (10, 2096913), (13, 1613010), (14, 1497795), (15, 1397942), (21, 998530), (26, 806505), (30, 698971), (35, 599118), (39, 537670), (42, 499265), (65, 322602), (70, 299559), (78, 268835), (91, 230430), (105, 199706), (130, 161301), (182, 115215), (195, 107534), (210, 99853), (273, 76810), (390, 53767), (455, 46086), (546, 38405), (910, 23043), (1365, 15362), (2730, 7681)]