20199360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:470

約数の個数: 112

約数和(自身を含む): 65507616

約数和(自身を除く): 45308256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 159, 160, 192, 212, 240, 265, 318, 320, 397, 424, 480, 530, 636, 794, 795, 848, 960, 1060, 1191, 1272, 1588, 1590, 1696, 1985, 2120, 2382, 2544, 3176, 3180, 3392, 3970, 4240, 4764, 5088, 5955, 6352, 6360, 7940, 8480, 9528, 10176, 11910, 12704, 12720, 15880, 16960, 19056, 21041, 23820, 25408, 25440, 31760, 38112, 42082, 47640, 50880, 63123, 63520, 76224, 84164, 95280, 105205, 126246, 127040, 168328, 190560, 210410, 252492, 315615, 336656, 381120, 420820, 504984, 631230, 673312, 841640, 1009968, 1262460, 1346624, 1683280, 2019936, 2524920, 3366560, 4039872, 5049840, 6733120, 10099680, 20199360]

約数ペア:

[(1, 20199360), (2, 10099680), (3, 6733120), (4, 5049840), (5, 4039872), (6, 3366560), (8, 2524920), (10, 2019936), (12, 1683280), (15, 1346624), (16, 1262460), (20, 1009968), (24, 841640), (30, 673312), (32, 631230), (40, 504984), (48, 420820), (53, 381120), (60, 336656), (64, 315615), (80, 252492), (96, 210410), (106, 190560), (120, 168328), (159, 127040), (160, 126246), (192, 105205), (212, 95280), (240, 84164), (265, 76224), (318, 63520), (320, 63123), (397, 50880), (424, 47640), (480, 42082), (530, 38112), (636, 31760), (794, 25440), (795, 25408), (848, 23820), (960, 21041), (1060, 19056), (1191, 16960), (1272, 15880), (1588, 12720), (1590, 12704), (1696, 11910), (1985, 10176), (2120, 9528), (2382, 8480), (2544, 7940), (3176, 6360), (3180, 6352), (3392, 5955), (3970, 5088), (4240, 4764)]