20536416

素因数分解:

$2^5\times 3^5\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:183

約数の個数: 144

約数和(自身を含む): 64209600

約数和(自身を除く): 43673184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 81, 96, 108, 114, 139, 144, 152, 162, 171, 216, 228, 243, 278, 288, 304, 324, 342, 417, 432, 456, 486, 513, 556, 608, 648, 684, 834, 864, 912, 972, 1026, 1112, 1251, 1296, 1368, 1539, 1668, 1824, 1944, 2052, 2224, 2502, 2592, 2641, 2736, 3078, 3336, 3753, 3888, 4104, 4448, 4617, 5004, 5282, 5472, 6156, 6672, 7506, 7776, 7923, 8208, 9234, 10008, 10564, 11259, 12312, 13344, 15012, 15846, 16416, 18468, 20016, 21128, 22518, 23769, 24624, 30024, 31692, 33777, 36936, 40032, 42256, 45036, 47538, 49248, 60048, 63384, 67554, 71307, 73872, 84512, 90072, 95076, 120096, 126768, 135108, 142614, 147744, 180144, 190152, 213921, 253536, 270216, 285228, 360288, 380304, 427842, 540432, 570456, 641763, 760608, 855684, 1080864, 1140912, 1283526, 1711368, 2281824, 2567052, 3422736, 5134104, 6845472, 10268208, 20536416]

約数ペア:

[(1, 20536416), (2, 10268208), (3, 6845472), (4, 5134104), (6, 3422736), (8, 2567052), (9, 2281824), (12, 1711368), (16, 1283526), (18, 1140912), (19, 1080864), (24, 855684), (27, 760608), (32, 641763), (36, 570456), (38, 540432), (48, 427842), (54, 380304), (57, 360288), (72, 285228), (76, 270216), (81, 253536), (96, 213921), (108, 190152), (114, 180144), (139, 147744), (144, 142614), (152, 135108), (162, 126768), (171, 120096), (216, 95076), (228, 90072), (243, 84512), (278, 73872), (288, 71307), (304, 67554), (324, 63384), (342, 60048), (417, 49248), (432, 47538), (456, 45036), (486, 42256), (513, 40032), (556, 36936), (608, 33777), (648, 31692), (684, 30024), (834, 24624), (864, 23769), (912, 22518), (972, 21128), (1026, 20016), (1112, 18468), (1251, 16416), (1296, 15846), (1368, 15012), (1539, 13344), (1668, 12312), (1824, 11259), (1944, 10564), (2052, 10008), (2224, 9234), (2502, 8208), (2592, 7923), (2641, 7776), (2736, 7506), (3078, 6672), (3336, 6156), (3753, 5472), (3888, 5282), (4104, 5004), (4448, 4617)]