20444640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:432

約数の個数: 96

約数和(自身を含む): 65028096

約数和(自身を除く): 44583456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 191, 223, 240, 382, 446, 480, 573, 669, 764, 892, 955, 1115, 1146, 1338, 1528, 1784, 1910, 2230, 2292, 2676, 2865, 3056, 3345, 3568, 3820, 4460, 4584, 5352, 5730, 6112, 6690, 7136, 7640, 8920, 9168, 10704, 11460, 13380, 15280, 17840, 18336, 21408, 22920, 26760, 30560, 35680, 42593, 45840, 53520, 85186, 91680, 107040, 127779, 170372, 212965, 255558, 340744, 425930, 511116, 638895, 681488, 851860, 1022232, 1277790, 1362976, 1703720, 2044464, 2555580, 3407440, 4088928, 5111160, 6814880, 10222320, 20444640]

約数ペア:

[(1, 20444640), (2, 10222320), (3, 6814880), (4, 5111160), (5, 4088928), (6, 3407440), (8, 2555580), (10, 2044464), (12, 1703720), (15, 1362976), (16, 1277790), (20, 1022232), (24, 851860), (30, 681488), (32, 638895), (40, 511116), (48, 425930), (60, 340744), (80, 255558), (96, 212965), (120, 170372), (160, 127779), (191, 107040), (223, 91680), (240, 85186), (382, 53520), (446, 45840), (480, 42593), (573, 35680), (669, 30560), (764, 26760), (892, 22920), (955, 21408), (1115, 18336), (1146, 17840), (1338, 15280), (1528, 13380), (1784, 11460), (1910, 10704), (2230, 9168), (2292, 8920), (2676, 7640), (2865, 7136), (3056, 6690), (3345, 6112), (3568, 5730), (3820, 5352), (4460, 4584)]