20226439920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{129061}}^1$

素因数の和:129730

約数の個数: 80

約数和(自身を含む): 62798471712

約数和(自身を除く): 42572031792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 653, 1306, 1959, 2612, 3265, 3918, 5224, 6530, 7836, 9795, 10448, 13060, 15672, 19590, 26120, 31344, 39180, 52240, 78360, 129061, 156720, 258122, 387183, 516244, 645305, 774366, 1032488, 1290610, 1548732, 1935915, 2064976, 2581220, 3097464, 3871830, 5162440, 6194928, 7743660, 10324880, 15487320, 30974640, 84276833, 168553666, 252830499, 337107332, 421384165, 505660998, 674214664, 842768330, 1011321996, 1264152495, 1348429328, 1685536660, 2022643992, 2528304990, 3371073320, 4045287984, 5056609980, 6742146640, 10113219960, 20226439920]

約数ペア:

[(1, 20226439920), (2, 10113219960), (3, 6742146640), (4, 5056609980), (5, 4045287984), (6, 3371073320), (8, 2528304990), (10, 2022643992), (12, 1685536660), (15, 1348429328), (16, 1264152495), (20, 1011321996), (24, 842768330), (30, 674214664), (40, 505660998), (48, 421384165), (60, 337107332), (80, 252830499), (120, 168553666), (240, 84276833), (653, 30974640), (1306, 15487320), (1959, 10324880), (2612, 7743660), (3265, 6194928), (3918, 5162440), (5224, 3871830), (6530, 3097464), (7836, 2581220), (9795, 2064976), (10448, 1935915), (13060, 1548732), (15672, 1290610), (19590, 1032488), (26120, 774366), (31344, 645305), (39180, 516244), (52240, 387183), (78360, 258122), (129061, 156720)]