20767380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18217}}^1$

素因数の和:18248

約数の個数: 48

約数和(自身を含む): 61212480

約数和(自身を除く): 40445100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18217, 36434, 54651, 72868, 91085, 109302, 182170, 218604, 273255, 346123, 364340, 546510, 692246, 1038369, 1093020, 1384492, 1730615, 2076738, 3461230, 4153476, 5191845, 6922460, 10383690, 20767380]

約数ペア:

[(1, 20767380), (2, 10383690), (3, 6922460), (4, 5191845), (5, 4153476), (6, 3461230), (10, 2076738), (12, 1730615), (15, 1384492), (19, 1093020), (20, 1038369), (30, 692246), (38, 546510), (57, 364340), (60, 346123), (76, 273255), (95, 218604), (114, 182170), (190, 109302), (228, 91085), (285, 72868), (380, 54651), (570, 36434), (1140, 18217)]