20618070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1517

約数の個数: 64

約数和(自身を含む): 55275264

約数和(自身を除く): 34657194

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 43, 55, 66, 86, 110, 129, 165, 215, 258, 330, 430, 473, 645, 946, 1290, 1419, 1453, 2365, 2838, 2906, 4359, 4730, 7095, 7265, 8718, 14190, 14530, 15983, 21795, 31966, 43590, 47949, 62479, 79915, 95898, 124958, 159830, 187437, 239745, 312395, 374874, 479490, 624790, 687269, 937185, 1374538, 1874370, 2061807, 3436345, 4123614, 6872690, 10309035, 20618070]

約数ペア:

[(1, 20618070), (2, 10309035), (3, 6872690), (5, 4123614), (6, 3436345), (10, 2061807), (11, 1874370), (15, 1374538), (22, 937185), (30, 687269), (33, 624790), (43, 479490), (55, 374874), (66, 312395), (86, 239745), (110, 187437), (129, 159830), (165, 124958), (215, 95898), (258, 79915), (330, 62479), (430, 47949), (473, 43590), (645, 31966), (946, 21795), (1290, 15983), (1419, 14530), (1453, 14190), (2365, 8718), (2838, 7265), (2906, 7095), (4359, 4730)]