20037030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{619}}^1$

素因数の和:725

約数の個数: 64

約数和(自身を含む): 52496640

約数和(自身を除く): 32459610

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 83, 130, 166, 195, 249, 390, 415, 498, 619, 830, 1079, 1238, 1245, 1857, 2158, 2490, 3095, 3237, 3714, 5395, 6190, 6474, 8047, 9285, 10790, 16094, 16185, 18570, 24141, 32370, 40235, 48282, 51377, 80470, 102754, 120705, 154131, 241410, 256885, 308262, 513770, 667901, 770655, 1335802, 1541310, 2003703, 3339505, 4007406, 6679010, 10018515, 20037030]

約数ペア:

[(1, 20037030), (2, 10018515), (3, 6679010), (5, 4007406), (6, 3339505), (10, 2003703), (13, 1541310), (15, 1335802), (26, 770655), (30, 667901), (39, 513770), (65, 308262), (78, 256885), (83, 241410), (130, 154131), (166, 120705), (195, 102754), (249, 80470), (390, 51377), (415, 48282), (498, 40235), (619, 32370), (830, 24141), (1079, 18570), (1238, 16185), (1245, 16094), (1857, 10790), (2158, 9285), (2490, 8047), (3095, 6474), (3237, 6190), (3714, 5395)]