20121782212

素因数分解:

$2^2\times 7^1\times {\mathrm{9199}}^1\times {\mathrm{78121}}^1$

素因数の和:87331

約数の個数: 24

約数和(自身を含む): 40248454400

約数和(自身を除く): 20126672188

約数列:

[1, 2, 4, 7, 14, 28, 9199, 18398, 36796, 64393, 78121, 128786, 156242, 257572, 312484, 546847, 1093694, 2187388, 718635079, 1437270158, 2874540316, 5030445553, 10060891106, 20121782212]

約数ペア:

[(1, 20121782212), (2, 10060891106), (4, 5030445553), (7, 2874540316), (14, 1437270158), (28, 718635079), (9199, 2187388), (18398, 1093694), (36796, 546847), (64393, 312484), (78121, 257572), (128786, 156242)]