20968110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4957}}^1$

素因数の和:5017

約数の個数: 48

約数和(自身を含む): 55688256

約数和(自身を除く): 34720146

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 235, 282, 423, 470, 705, 846, 1410, 2115, 4230, 4957, 9914, 14871, 24785, 29742, 44613, 49570, 74355, 89226, 148710, 223065, 232979, 446130, 465958, 698937, 1164895, 1397874, 2096811, 2329790, 3494685, 4193622, 6989370, 10484055, 20968110]

約数ペア:

[(1, 20968110), (2, 10484055), (3, 6989370), (5, 4193622), (6, 3494685), (9, 2329790), (10, 2096811), (15, 1397874), (18, 1164895), (30, 698937), (45, 465958), (47, 446130), (90, 232979), (94, 223065), (141, 148710), (235, 89226), (282, 74355), (423, 49570), (470, 44613), (705, 29742), (846, 24785), (1410, 14871), (2115, 9914), (4230, 4957)]