20161465940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{587}}^1\times {\mathrm{22303}}^1$

素因数の和:22917

約数の個数: 96

約数和(自身を含む): 52878680064

約数和(自身を除く): 32717214124

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 587, 770, 1174, 1540, 2348, 2935, 4109, 5870, 6457, 8218, 11740, 12914, 16436, 20545, 22303, 25828, 32285, 41090, 44606, 45199, 64570, 82180, 89212, 90398, 111515, 129140, 156121, 180796, 223030, 225995, 245333, 312242, 446060, 451990, 490666, 624484, 780605, 903980, 981332, 1226665, 1561210, 1717331, 2453330, 3122420, 3434662, 4906660, 6869324, 8586655, 13091861, 17173310, 26183722, 34346620, 52367444, 65459305, 91643027, 130918610, 144010471, 183286054, 261837220, 288020942, 366572108, 458215135, 576041884, 720052355, 916430270, 1008073297, 1440104710, 1832860540, 2016146594, 2880209420, 4032293188, 5040366485, 10080732970, 20161465940]

約数ペア:

[(1, 20161465940), (2, 10080732970), (4, 5040366485), (5, 4032293188), (7, 2880209420), (10, 2016146594), (11, 1832860540), (14, 1440104710), (20, 1008073297), (22, 916430270), (28, 720052355), (35, 576041884), (44, 458215135), (55, 366572108), (70, 288020942), (77, 261837220), (110, 183286054), (140, 144010471), (154, 130918610), (220, 91643027), (308, 65459305), (385, 52367444), (587, 34346620), (770, 26183722), (1174, 17173310), (1540, 13091861), (2348, 8586655), (2935, 6869324), (4109, 4906660), (5870, 3434662), (6457, 3122420), (8218, 2453330), (11740, 1717331), (12914, 1561210), (16436, 1226665), (20545, 981332), (22303, 903980), (25828, 780605), (32285, 624484), (41090, 490666), (44606, 451990), (45199, 446060), (64570, 312242), (82180, 245333), (89212, 225995), (90398, 223030), (111515, 180796), (129140, 156121)]