20363860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{613}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 47037312

約数和(自身を除く): 26673452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 604, 613, 755, 1226, 1510, 1661, 2452, 3020, 3065, 3322, 6130, 6644, 6743, 8305, 12260, 13486, 16610, 26972, 33220, 33715, 67430, 92563, 134860, 185126, 370252, 462815, 925630, 1018193, 1851260, 2036386, 4072772, 5090965, 10181930, 20363860]

約数ペア:

[(1, 20363860), (2, 10181930), (4, 5090965), (5, 4072772), (10, 2036386), (11, 1851260), (20, 1018193), (22, 925630), (44, 462815), (55, 370252), (110, 185126), (151, 134860), (220, 92563), (302, 67430), (604, 33715), (613, 33220), (755, 26972), (1226, 16610), (1510, 13486), (1661, 12260), (2452, 8305), (3020, 6743), (3065, 6644), (3322, 6130)]