20745696

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{6971}}^1$

素因数の和:7015

約数の個数: 48

約数和(自身を含む): 56222208

約数和(自身を除く): 35476512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 93, 96, 124, 186, 248, 372, 496, 744, 992, 1488, 2976, 6971, 13942, 20913, 27884, 41826, 55768, 83652, 111536, 167304, 216101, 223072, 334608, 432202, 648303, 669216, 864404, 1296606, 1728808, 2593212, 3457616, 5186424, 6915232, 10372848, 20745696]

約数ペア:

[(1, 20745696), (2, 10372848), (3, 6915232), (4, 5186424), (6, 3457616), (8, 2593212), (12, 1728808), (16, 1296606), (24, 864404), (31, 669216), (32, 648303), (48, 432202), (62, 334608), (93, 223072), (96, 216101), (124, 167304), (186, 111536), (248, 83652), (372, 55768), (496, 41826), (744, 27884), (992, 20913), (1488, 13942), (2976, 6971)]