19962840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{166357}}^1$

素因数の和:166371

約数の個数: 32

約数和(自身を含む): 59888880

約数和(自身を除く): 39926040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 166357, 332714, 499071, 665428, 831785, 998142, 1330856, 1663570, 1996284, 2495355, 3327140, 3992568, 4990710, 6654280, 9981420, 19962840]

約数ペア:

[(1, 19962840), (2, 9981420), (3, 6654280), (4, 4990710), (5, 3992568), (6, 3327140), (8, 2495355), (10, 1996284), (12, 1663570), (15, 1330856), (20, 998142), (24, 831785), (30, 665428), (40, 499071), (60, 332714), (120, 166357)]