20335804928

素因数分解:

$2^9\times {\mathrm{43}}^2\times {\mathrm{21481}}^1$

素因数の和:21585

約数の個数: 60

約数和(自身を含む): 41600730798

約数和(自身を除く): 21264925870

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 512, 688, 1376, 1849, 2752, 3698, 5504, 7396, 11008, 14792, 21481, 22016, 29584, 42962, 59168, 85924, 118336, 171848, 236672, 343696, 473344, 687392, 923683, 946688, 1374784, 1847366, 2749568, 3694732, 5499136, 7389464, 10998272, 14778928, 29557856, 39718369, 59115712, 79436738, 118231424, 158873476, 236462848, 317746952, 472925696, 635493904, 1270987808, 2541975616, 5083951232, 10167902464, 20335804928]

約数ペア:

[(1, 20335804928), (2, 10167902464), (4, 5083951232), (8, 2541975616), (16, 1270987808), (32, 635493904), (43, 472925696), (64, 317746952), (86, 236462848), (128, 158873476), (172, 118231424), (256, 79436738), (344, 59115712), (512, 39718369), (688, 29557856), (1376, 14778928), (1849, 10998272), (2752, 7389464), (3698, 5499136), (5504, 3694732), (7396, 2749568), (11008, 1847366), (14792, 1374784), (21481, 946688), (22016, 923683), (29584, 687392), (42962, 473344), (59168, 343696), (85924, 236672), (118336, 171848)]