20364084

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{821}}^1$

素因数の和:897

約数の個数: 72

約数和(自身を含む): 56550312

約数和(自身を除く): 36186228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 106, 117, 156, 159, 212, 234, 318, 468, 477, 636, 689, 821, 954, 1378, 1642, 1908, 2067, 2463, 2756, 3284, 4134, 4926, 6201, 7389, 8268, 9852, 10673, 12402, 14778, 21346, 24804, 29556, 32019, 42692, 43513, 64038, 87026, 96057, 128076, 130539, 174052, 192114, 261078, 384228, 391617, 522156, 565669, 783234, 1131338, 1566468, 1697007, 2262676, 3394014, 5091021, 6788028, 10182042, 20364084]

約数ペア:

[(1, 20364084), (2, 10182042), (3, 6788028), (4, 5091021), (6, 3394014), (9, 2262676), (12, 1697007), (13, 1566468), (18, 1131338), (26, 783234), (36, 565669), (39, 522156), (52, 391617), (53, 384228), (78, 261078), (106, 192114), (117, 174052), (156, 130539), (159, 128076), (212, 96057), (234, 87026), (318, 64038), (468, 43513), (477, 42692), (636, 32019), (689, 29556), (821, 24804), (954, 21346), (1378, 14778), (1642, 12402), (1908, 10673), (2067, 9852), (2463, 8268), (2756, 7389), (3284, 6201), (4134, 4926)]