20496128

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{59}}^2$

素因数の和:157

約数の個数: 54

約数和(自身を含む): 43426824

約数和(自身を除く): 22930696

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 59, 64, 92, 118, 128, 184, 236, 256, 368, 472, 736, 944, 1357, 1472, 1888, 2714, 2944, 3481, 3776, 5428, 5888, 6962, 7552, 10856, 13924, 15104, 21712, 27848, 43424, 55696, 80063, 86848, 111392, 160126, 173696, 222784, 320252, 347392, 445568, 640504, 891136, 1281008, 2562016, 5124032, 10248064, 20496128]

約数ペア:

[(1, 20496128), (2, 10248064), (4, 5124032), (8, 2562016), (16, 1281008), (23, 891136), (32, 640504), (46, 445568), (59, 347392), (64, 320252), (92, 222784), (118, 173696), (128, 160126), (184, 111392), (236, 86848), (256, 80063), (368, 55696), (472, 43424), (736, 27848), (944, 21712), (1357, 15104), (1472, 13924), (1888, 10856), (2714, 7552), (2944, 6962), (3481, 5888), (3776, 5428)]