20927460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3919}}^1$

素因数の和:4020

約数の個数: 48

約数和(自身を含む): 59270400

約数和(自身を除く): 38342940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 3919, 5340, 7838, 11757, 15676, 19595, 23514, 39190, 47028, 58785, 78380, 117570, 235140, 348791, 697582, 1046373, 1395164, 1743955, 2092746, 3487910, 4185492, 5231865, 6975820, 10463730, 20927460]

約数ペア:

[(1, 20927460), (2, 10463730), (3, 6975820), (4, 5231865), (5, 4185492), (6, 3487910), (10, 2092746), (12, 1743955), (15, 1395164), (20, 1046373), (30, 697582), (60, 348791), (89, 235140), (178, 117570), (267, 78380), (356, 58785), (445, 47028), (534, 39190), (890, 23514), (1068, 19595), (1335, 15676), (1780, 11757), (2670, 7838), (3919, 5340)]