20751768

素因数分解:

$2^3\times 3^3\times {\mathrm{191}}^1\times {\mathrm{503}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 37309032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 191, 216, 382, 503, 573, 764, 1006, 1146, 1509, 1528, 1719, 2012, 2292, 3018, 3438, 4024, 4527, 4584, 5157, 6036, 6876, 9054, 10314, 12072, 13581, 13752, 18108, 20628, 27162, 36216, 41256, 54324, 96073, 108648, 192146, 288219, 384292, 576438, 768584, 864657, 1152876, 1729314, 2305752, 2593971, 3458628, 5187942, 6917256, 10375884, 20751768]

約数ペア:

[(1, 20751768), (2, 10375884), (3, 6917256), (4, 5187942), (6, 3458628), (8, 2593971), (9, 2305752), (12, 1729314), (18, 1152876), (24, 864657), (27, 768584), (36, 576438), (54, 384292), (72, 288219), (108, 192146), (191, 108648), (216, 96073), (382, 54324), (503, 41256), (573, 36216), (764, 27162), (1006, 20628), (1146, 18108), (1509, 13752), (1528, 13581), (1719, 12072), (2012, 10314), (2292, 9054), (3018, 6876), (3438, 6036), (4024, 5157), (4527, 4584)]