20664513100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{243973}}^1$

素因数の和:244016

約数の個数: 108

約数和(自身を含む): 56330668912

約数和(自身を除く): 35666155812

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 121, 140, 154, 175, 220, 242, 275, 308, 350, 385, 484, 550, 605, 700, 770, 847, 1100, 1210, 1540, 1694, 1925, 2420, 3025, 3388, 3850, 4235, 6050, 7700, 8470, 12100, 16940, 21175, 42350, 84700, 243973, 487946, 975892, 1219865, 1707811, 2439730, 2683703, 3415622, 4879460, 5367406, 6099325, 6831244, 8539055, 10734812, 12198650, 13418515, 17078110, 18785921, 24397300, 26837030, 29520733, 34156220, 37571842, 42695275, 53674060, 59041466, 67092575, 75143684, 85390550, 93929605, 118082932, 134185150, 147603665, 170781100, 187859210, 206645131, 268370300, 295207330, 375718420, 413290262, 469648025, 590414660, 738018325, 826580524, 939296050, 1033225655, 1476036650, 1878592100, 2066451310, 2952073300, 4132902620, 5166128275, 10332256550, 20664513100]

約数ペア:

[(1, 20664513100), (2, 10332256550), (4, 5166128275), (5, 4132902620), (7, 2952073300), (10, 2066451310), (11, 1878592100), (14, 1476036650), (20, 1033225655), (22, 939296050), (25, 826580524), (28, 738018325), (35, 590414660), (44, 469648025), (50, 413290262), (55, 375718420), (70, 295207330), (77, 268370300), (100, 206645131), (110, 187859210), (121, 170781100), (140, 147603665), (154, 134185150), (175, 118082932), (220, 93929605), (242, 85390550), (275, 75143684), (308, 67092575), (350, 59041466), (385, 53674060), (484, 42695275), (550, 37571842), (605, 34156220), (700, 29520733), (770, 26837030), (847, 24397300), (1100, 18785921), (1210, 17078110), (1540, 13418515), (1694, 12198650), (1925, 10734812), (2420, 8539055), (3025, 6831244), (3388, 6099325), (3850, 5367406), (4235, 4879460), (6050, 3415622), (7700, 2683703), (8470, 2439730), (12100, 1707811), (16940, 1219865), (21175, 975892), (42350, 487946), (84700, 243973)]