20121714320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1319}}^1\times {\mathrm{4651}}^1$

素因数の和:6024

約数の個数: 80

約数和(自身を含む): 47970679680

約数和(自身を除く): 27848965360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1319, 1640, 2638, 3280, 4651, 5276, 6595, 9302, 10552, 13190, 18604, 21104, 23255, 26380, 37208, 46510, 52760, 54079, 74416, 93020, 105520, 108158, 186040, 190691, 216316, 270395, 372080, 381382, 432632, 540790, 762764, 865264, 953455, 1081580, 1525528, 1906910, 2163160, 3051056, 3813820, 4326320, 6134669, 7627640, 12269338, 15255280, 24538676, 30673345, 49077352, 61346690, 98154704, 122693380, 245386760, 251521429, 490773520, 503042858, 1006085716, 1257607145, 2012171432, 2515214290, 4024342864, 5030428580, 10060857160, 20121714320]

約数ペア:

[(1, 20121714320), (2, 10060857160), (4, 5030428580), (5, 4024342864), (8, 2515214290), (10, 2012171432), (16, 1257607145), (20, 1006085716), (40, 503042858), (41, 490773520), (80, 251521429), (82, 245386760), (164, 122693380), (205, 98154704), (328, 61346690), (410, 49077352), (656, 30673345), (820, 24538676), (1319, 15255280), (1640, 12269338), (2638, 7627640), (3280, 6134669), (4651, 4326320), (5276, 3813820), (6595, 3051056), (9302, 2163160), (10552, 1906910), (13190, 1525528), (18604, 1081580), (21104, 953455), (23255, 865264), (26380, 762764), (37208, 540790), (46510, 432632), (52760, 381382), (54079, 372080), (74416, 270395), (93020, 216316), (105520, 190691), (108158, 186040)]