20556198

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{821}}^1$

素因数の和:949

約数の個数: 48

約数和(自身を含む): 48471696

約数和(自身を除く): 27915498

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 107, 117, 214, 234, 321, 642, 821, 963, 1391, 1642, 1926, 2463, 2782, 4173, 4926, 7389, 8346, 10673, 12519, 14778, 21346, 25038, 32019, 64038, 87847, 96057, 175694, 192114, 263541, 527082, 790623, 1142011, 1581246, 2284022, 3426033, 6852066, 10278099, 20556198]

約数ペア:

[(1, 20556198), (2, 10278099), (3, 6852066), (6, 3426033), (9, 2284022), (13, 1581246), (18, 1142011), (26, 790623), (39, 527082), (78, 263541), (107, 192114), (117, 175694), (214, 96057), (234, 87847), (321, 64038), (642, 32019), (821, 25038), (963, 21346), (1391, 14778), (1642, 12519), (1926, 10673), (2463, 8346), (2782, 7389), (4173, 4926)]