20793990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1193}}^1$

素因数の和:1293

約数の個数: 64

約数和(自身を含む): 57770496

約数和(自身を除く): 36976506

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 83, 105, 166, 210, 249, 415, 498, 581, 830, 1162, 1193, 1245, 1743, 2386, 2490, 2905, 3486, 3579, 5810, 5965, 7158, 8351, 8715, 11930, 16702, 17430, 17895, 25053, 35790, 41755, 50106, 83510, 99019, 125265, 198038, 250530, 297057, 495095, 594114, 693133, 990190, 1386266, 1485285, 2079399, 2970570, 3465665, 4158798, 6931330, 10396995, 20793990]

約数ペア:

[(1, 20793990), (2, 10396995), (3, 6931330), (5, 4158798), (6, 3465665), (7, 2970570), (10, 2079399), (14, 1485285), (15, 1386266), (21, 990190), (30, 693133), (35, 594114), (42, 495095), (70, 297057), (83, 250530), (105, 198038), (166, 125265), (210, 99019), (249, 83510), (415, 50106), (498, 41755), (581, 35790), (830, 25053), (1162, 17895), (1193, 17430), (1245, 16702), (1743, 11930), (2386, 8715), (2490, 8351), (2905, 7158), (3486, 5965), (3579, 5810)]