20429388

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:524

約数の個数: 96

約数和(自身を含む): 61662720

約数和(自身を除く): 41233332

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 61, 63, 84, 108, 122, 126, 183, 189, 244, 252, 366, 378, 427, 443, 549, 732, 756, 854, 886, 1098, 1281, 1329, 1647, 1708, 1772, 2196, 2562, 2658, 3101, 3294, 3843, 3987, 5124, 5316, 6202, 6588, 7686, 7974, 9303, 11529, 11961, 12404, 15372, 15948, 18606, 23058, 23922, 27023, 27909, 37212, 46116, 47844, 54046, 55818, 81069, 83727, 108092, 111636, 162138, 167454, 189161, 243207, 324276, 334908, 378322, 486414, 567483, 729621, 756644, 972828, 1134966, 1459242, 1702449, 2269932, 2918484, 3404898, 5107347, 6809796, 10214694, 20429388]

約数ペア:

[(1, 20429388), (2, 10214694), (3, 6809796), (4, 5107347), (6, 3404898), (7, 2918484), (9, 2269932), (12, 1702449), (14, 1459242), (18, 1134966), (21, 972828), (27, 756644), (28, 729621), (36, 567483), (42, 486414), (54, 378322), (61, 334908), (63, 324276), (84, 243207), (108, 189161), (122, 167454), (126, 162138), (183, 111636), (189, 108092), (244, 83727), (252, 81069), (366, 55818), (378, 54046), (427, 47844), (443, 46116), (549, 37212), (732, 27909), (756, 27023), (854, 23922), (886, 23058), (1098, 18606), (1281, 15948), (1329, 15372), (1647, 12404), (1708, 11961), (1772, 11529), (2196, 9303), (2562, 7974), (2658, 7686), (3101, 6588), (3294, 6202), (3843, 5316), (3987, 5124)]