20118996891

素因数分解:

$3^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{463}}^1\times {\mathrm{1031}}^1$

素因数の和:1733

約数の個数: 64

約数和(自身を含む): 34323824640

約数和(自身を除く): 14204827749

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 223, 463, 669, 1031, 1389, 1561, 2007, 3093, 3241, 4167, 4683, 6021, 7217, 9279, 9723, 12501, 14049, 21651, 27837, 29169, 42147, 64953, 87507, 103249, 194859, 229913, 309747, 477353, 689739, 722743, 929241, 1432059, 1609391, 2069217, 2168229, 2787723, 3341471, 4296177, 4828173, 6207651, 6504687, 10024413, 12888531, 14484519, 19514061, 30073239, 43453557, 90219717, 106449719, 319349157, 745148033, 958047471, 2235444099, 2874142413, 6706332297, 20118996891]

約数ペア:

[(1, 20118996891), (3, 6706332297), (7, 2874142413), (9, 2235444099), (21, 958047471), (27, 745148033), (63, 319349157), (189, 106449719), (223, 90219717), (463, 43453557), (669, 30073239), (1031, 19514061), (1389, 14484519), (1561, 12888531), (2007, 10024413), (3093, 6504687), (3241, 6207651), (4167, 4828173), (4683, 4296177), (6021, 3341471), (7217, 2787723), (9279, 2168229), (9723, 2069217), (12501, 1609391), (14049, 1432059), (21651, 929241), (27837, 722743), (29169, 689739), (42147, 477353), (64953, 309747), (87507, 229913), (103249, 194859)]