20929140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{116273}}^1$

素因数の和:116288

約数の個数: 36

約数和(自身を含む): 63485604

約数和(自身を除く): 42556464

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 116273, 232546, 348819, 465092, 581365, 697638, 1046457, 1162730, 1395276, 1744095, 2092914, 2325460, 3488190, 4185828, 5232285, 6976380, 10464570, 20929140]

約数ペア:

[(1, 20929140), (2, 10464570), (3, 6976380), (4, 5232285), (5, 4185828), (6, 3488190), (9, 2325460), (10, 2092914), (12, 1744095), (15, 1395276), (18, 1162730), (20, 1046457), (30, 697638), (36, 581365), (45, 465092), (60, 348819), (90, 232546), (180, 116273)]