20155360

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5477}}^1$

素因数の和:5515

約数の個数: 48

約数和(自身を含む): 49696416

約数和(自身を除く): 29541056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5477, 10954, 21908, 27385, 43816, 54770, 87632, 109540, 125971, 175264, 219080, 251942, 438160, 503884, 629855, 876320, 1007768, 1259710, 2015536, 2519420, 4031072, 5038840, 10077680, 20155360]

約数ペア:

[(1, 20155360), (2, 10077680), (4, 5038840), (5, 4031072), (8, 2519420), (10, 2015536), (16, 1259710), (20, 1007768), (23, 876320), (32, 629855), (40, 503884), (46, 438160), (80, 251942), (92, 219080), (115, 175264), (160, 125971), (184, 109540), (230, 87632), (368, 54770), (460, 43816), (736, 27385), (920, 21908), (1840, 10954), (3680, 5477)]