20120221232

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{1549}}^1\times {\mathrm{9781}}^1$

素因数の和:11421

約数の個数: 40

約数和(自身を含む): 39482108400

約数和(自身を除く): 19361887168

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 1549, 3098, 6196, 9781, 12392, 19562, 24784, 39124, 78248, 128567, 156496, 257134, 514268, 811823, 1028536, 1623646, 2057072, 3247292, 6494584, 12989168, 15150769, 30301538, 60603076, 121206152, 242412304, 1257513827, 2515027654, 5030055308, 10060110616, 20120221232]

約数ペア:

[(1, 20120221232), (2, 10060110616), (4, 5030055308), (8, 2515027654), (16, 1257513827), (83, 242412304), (166, 121206152), (332, 60603076), (664, 30301538), (1328, 15150769), (1549, 12989168), (3098, 6494584), (6196, 3247292), (9781, 2057072), (12392, 1623646), (19562, 1028536), (24784, 811823), (39124, 514268), (78248, 257134), (128567, 156496)]