20205030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{181}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 49572432

約数和(自身を除く): 29367402

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 181, 183, 305, 362, 366, 543, 610, 905, 915, 1086, 1810, 1830, 2715, 3721, 5430, 7442, 11041, 11163, 18605, 22082, 22326, 33123, 37210, 55205, 55815, 66246, 110410, 111630, 165615, 331230, 673501, 1347002, 2020503, 3367505, 4041006, 6735010, 10102515, 20205030]

約数ペア:

[(1, 20205030), (2, 10102515), (3, 6735010), (5, 4041006), (6, 3367505), (10, 2020503), (15, 1347002), (30, 673501), (61, 331230), (122, 165615), (181, 111630), (183, 110410), (305, 66246), (362, 55815), (366, 55205), (543, 37210), (610, 33123), (905, 22326), (915, 22082), (1086, 18605), (1810, 11163), (1830, 11041), (2715, 7442), (3721, 5430)]