20523896

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{659}}^1$

素因数の和:911

約数の個数: 32

約数和(自身を含む): 40986000

約数和(自身を除く): 20462104

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 229, 458, 659, 916, 1318, 1832, 2636, 3893, 5272, 7786, 11203, 15572, 22406, 31144, 44812, 89624, 150911, 301822, 603644, 1207288, 2565487, 5130974, 10261948, 20523896]

約数ペア:

[(1, 20523896), (2, 10261948), (4, 5130974), (8, 2565487), (17, 1207288), (34, 603644), (68, 301822), (136, 150911), (229, 89624), (458, 44812), (659, 31144), (916, 22406), (1318, 15572), (1832, 11203), (2636, 7786), (3893, 5272)]