20061420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1301}}^1$

素因数の和:1570

約数の個数: 48

約数和(自身を含む): 56433888

約数和(自身を除く): 36372468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1285, 1301, 1542, 2570, 2602, 3084, 3855, 3903, 5140, 5204, 6505, 7710, 7806, 13010, 15420, 15612, 19515, 26020, 39030, 78060, 334357, 668714, 1003071, 1337428, 1671785, 2006142, 3343570, 4012284, 5015355, 6687140, 10030710, 20061420]

約数ペア:

[(1, 20061420), (2, 10030710), (3, 6687140), (4, 5015355), (5, 4012284), (6, 3343570), (10, 2006142), (12, 1671785), (15, 1337428), (20, 1003071), (30, 668714), (60, 334357), (257, 78060), (514, 39030), (771, 26020), (1028, 19515), (1285, 15612), (1301, 15420), (1542, 13010), (2570, 7806), (2602, 7710), (3084, 6505), (3855, 5204), (3903, 5140)]