20882220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 61501440

約数和(自身を除く): 40619220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 103, 109, 124, 155, 186, 206, 218, 309, 310, 327, 372, 412, 436, 465, 515, 545, 618, 620, 654, 930, 1030, 1090, 1236, 1308, 1545, 1635, 1860, 2060, 2180, 3090, 3193, 3270, 3379, 6180, 6386, 6540, 6758, 9579, 10137, 11227, 12772, 13516, 15965, 16895, 19158, 20274, 22454, 31930, 33681, 33790, 38316, 40548, 44908, 47895, 50685, 56135, 63860, 67362, 67580, 95790, 101370, 112270, 134724, 168405, 191580, 202740, 224540, 336810, 348037, 673620, 696074, 1044111, 1392148, 1740185, 2088222, 3480370, 4176444, 5220555, 6960740, 10441110, 20882220]

約数ペア:

[(1, 20882220), (2, 10441110), (3, 6960740), (4, 5220555), (5, 4176444), (6, 3480370), (10, 2088222), (12, 1740185), (15, 1392148), (20, 1044111), (30, 696074), (31, 673620), (60, 348037), (62, 336810), (93, 224540), (103, 202740), (109, 191580), (124, 168405), (155, 134724), (186, 112270), (206, 101370), (218, 95790), (309, 67580), (310, 67362), (327, 63860), (372, 56135), (412, 50685), (436, 47895), (465, 44908), (515, 40548), (545, 38316), (618, 33790), (620, 33681), (654, 31930), (930, 22454), (1030, 20274), (1090, 19158), (1236, 16895), (1308, 15965), (1545, 13516), (1635, 12772), (1860, 11227), (2060, 10137), (2180, 9579), (3090, 6758), (3193, 6540), (3270, 6386), (3379, 6180)]