20737170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 57919680

約数和(自身を除く): 37182510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 67, 90, 95, 114, 134, 171, 181, 190, 201, 285, 335, 342, 362, 402, 543, 570, 603, 670, 855, 905, 1005, 1086, 1206, 1273, 1629, 1710, 1810, 2010, 2546, 2715, 3015, 3258, 3439, 3819, 5430, 6030, 6365, 6878, 7638, 8145, 10317, 11457, 12127, 12730, 16290, 17195, 19095, 20634, 22914, 24254, 30951, 34390, 36381, 38190, 51585, 57285, 60635, 61902, 72762, 103170, 109143, 114570, 121270, 154755, 181905, 218286, 230413, 309510, 363810, 460826, 545715, 691239, 1091430, 1152065, 1382478, 2073717, 2304130, 3456195, 4147434, 6912390, 10368585, 20737170]

約数ペア:

[(1, 20737170), (2, 10368585), (3, 6912390), (5, 4147434), (6, 3456195), (9, 2304130), (10, 2073717), (15, 1382478), (18, 1152065), (19, 1091430), (30, 691239), (38, 545715), (45, 460826), (57, 363810), (67, 309510), (90, 230413), (95, 218286), (114, 181905), (134, 154755), (171, 121270), (181, 114570), (190, 109143), (201, 103170), (285, 72762), (335, 61902), (342, 60635), (362, 57285), (402, 51585), (543, 38190), (570, 36381), (603, 34390), (670, 30951), (855, 24254), (905, 22914), (1005, 20634), (1086, 19095), (1206, 17195), (1273, 16290), (1629, 12730), (1710, 12127), (1810, 11457), (2010, 10317), (2546, 8145), (2715, 7638), (3015, 6878), (3258, 6365), (3439, 6030), (3819, 5430)]