20941696

素因数分解:

$2^7\times {\mathrm{47}}^1\times {\mathrm{59}}^2$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 43341840

約数和(自身を除く): 22400144

約数列:

[1, 2, 4, 8, 16, 32, 47, 59, 64, 94, 118, 128, 188, 236, 376, 472, 752, 944, 1504, 1888, 2773, 3008, 3481, 3776, 5546, 6016, 6962, 7552, 11092, 13924, 22184, 27848, 44368, 55696, 88736, 111392, 163607, 177472, 222784, 327214, 354944, 445568, 654428, 1308856, 2617712, 5235424, 10470848, 20941696]

約数ペア:

[(1, 20941696), (2, 10470848), (4, 5235424), (8, 2617712), (16, 1308856), (32, 654428), (47, 445568), (59, 354944), (64, 327214), (94, 222784), (118, 177472), (128, 163607), (188, 111392), (236, 88736), (376, 55696), (472, 44368), (752, 27848), (944, 22184), (1504, 13924), (1888, 11092), (2773, 7552), (3008, 6962), (3481, 6016), (3776, 5546)]