20170077620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1229}}^1\times {\mathrm{10657}}^1$

素因数の和:11913

約数の個数: 96

約数和(自身を含む): 52856858880

約数和(自身を除く): 32686781260

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, 770, 1229, 1540, 2458, 4916, 6145, 8603, 10657, 12290, 13519, 17206, 21314, 24580, 27038, 34412, 42628, 43015, 53285, 54076, 67595, 74599, 86030, 94633, 106570, 117227, 135190, 149198, 172060, 189266, 213140, 234454, 270380, 298396, 372995, 378532, 468908, 473165, 586135, 745990, 820589, 946330, 1172270, 1491980, 1641178, 1892660, 2344540, 3282356, 4102945, 8205890, 13097453, 16411780, 26194906, 52389812, 65487265, 91682171, 130974530, 144071983, 183364342, 261949060, 288143966, 366728684, 458410855, 576287932, 720359915, 916821710, 1008503881, 1440719830, 1833643420, 2017007762, 2881439660, 4034015524, 5042519405, 10085038810, 20170077620]

約数ペア:

[(1, 20170077620), (2, 10085038810), (4, 5042519405), (5, 4034015524), (7, 2881439660), (10, 2017007762), (11, 1833643420), (14, 1440719830), (20, 1008503881), (22, 916821710), (28, 720359915), (35, 576287932), (44, 458410855), (55, 366728684), (70, 288143966), (77, 261949060), (110, 183364342), (140, 144071983), (154, 130974530), (220, 91682171), (308, 65487265), (385, 52389812), (770, 26194906), (1229, 16411780), (1540, 13097453), (2458, 8205890), (4916, 4102945), (6145, 3282356), (8603, 2344540), (10657, 1892660), (12290, 1641178), (13519, 1491980), (17206, 1172270), (21314, 946330), (24580, 820589), (27038, 745990), (34412, 586135), (42628, 473165), (43015, 468908), (53285, 378532), (54076, 372995), (67595, 298396), (74599, 270380), (86030, 234454), (94633, 213140), (106570, 189266), (117227, 172060), (135190, 149198)]