20728336

素因数分解:

$2^4\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 60

約数和(自身を含む): 43886080

約数和(自身を除く): 23157744

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 79, 92, 124, 158, 184, 248, 316, 368, 496, 529, 632, 713, 1058, 1264, 1426, 1817, 2116, 2449, 2852, 3634, 4232, 4898, 5704, 7268, 8464, 9796, 11408, 14536, 16399, 19592, 29072, 32798, 39184, 41791, 56327, 65596, 83582, 112654, 131192, 167164, 225308, 262384, 334328, 450616, 668656, 901232, 1295521, 2591042, 5182084, 10364168, 20728336]

約数ペア:

[(1, 20728336), (2, 10364168), (4, 5182084), (8, 2591042), (16, 1295521), (23, 901232), (31, 668656), (46, 450616), (62, 334328), (79, 262384), (92, 225308), (124, 167164), (158, 131192), (184, 112654), (248, 83582), (316, 65596), (368, 56327), (496, 41791), (529, 39184), (632, 32798), (713, 29072), (1058, 19592), (1264, 16399), (1426, 14536), (1817, 11408), (2116, 9796), (2449, 8464), (2852, 7268), (3634, 5704), (4232, 4898)]