20580180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5623}}^1$

素因数の和:5696

約数の個数: 48

約数和(自身を含む): 58579584

約数和(自身を除く): 37999404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5623, 11246, 16869, 22492, 28115, 33738, 56230, 67476, 84345, 112460, 168690, 337380, 343003, 686006, 1029009, 1372012, 1715015, 2058018, 3430030, 4116036, 5145045, 6860060, 10290090, 20580180]

約数ペア:

[(1, 20580180), (2, 10290090), (3, 6860060), (4, 5145045), (5, 4116036), (6, 3430030), (10, 2058018), (12, 1715015), (15, 1372012), (20, 1029009), (30, 686006), (60, 343003), (61, 337380), (122, 168690), (183, 112460), (244, 84345), (305, 67476), (366, 56230), (610, 33738), (732, 28115), (915, 22492), (1220, 16869), (1830, 11246), (3660, 5623)]