20164222720

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{829121}}^1$

素因数の和:829161

約数の個数: 72

約数和(自身を含む): 50841761040

約数和(自身を除く): 30677538320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 6080, 12160, 24320, 829121, 1658242, 3316484, 4145605, 6632968, 8291210, 13265936, 15753299, 16582420, 26531872, 31506598, 33164840, 53063744, 63013196, 66329680, 78766495, 106127488, 126026392, 132659360, 157532990, 212254976, 252052784, 265318720, 315065980, 504105568, 530637440, 630131960, 1008211136, 1061274880, 1260263920, 2016422272, 2520527840, 4032844544, 5041055680, 10082111360, 20164222720]

約数ペア:

[(1, 20164222720), (2, 10082111360), (4, 5041055680), (5, 4032844544), (8, 2520527840), (10, 2016422272), (16, 1260263920), (19, 1061274880), (20, 1008211136), (32, 630131960), (38, 530637440), (40, 504105568), (64, 315065980), (76, 265318720), (80, 252052784), (95, 212254976), (128, 157532990), (152, 132659360), (160, 126026392), (190, 106127488), (256, 78766495), (304, 66329680), (320, 63013196), (380, 53063744), (608, 33164840), (640, 31506598), (760, 26531872), (1216, 16582420), (1280, 15753299), (1520, 13265936), (2432, 8291210), (3040, 6632968), (4864, 4145605), (6080, 3316484), (12160, 1658242), (24320, 829121)]