20668656

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:334

約数の個数: 80

約数和(自身を含む): 56960640

約数和(自身を除く): 36291984

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 131, 152, 173, 228, 262, 304, 346, 393, 456, 519, 524, 692, 786, 912, 1038, 1048, 1384, 1572, 2076, 2096, 2489, 2768, 3144, 3287, 4152, 4978, 6288, 6574, 7467, 8304, 9861, 9956, 13148, 14934, 19722, 19912, 22663, 26296, 29868, 39444, 39824, 45326, 52592, 59736, 67989, 78888, 90652, 119472, 135978, 157776, 181304, 271956, 362608, 430597, 543912, 861194, 1087824, 1291791, 1722388, 2583582, 3444776, 5167164, 6889552, 10334328, 20668656]

約数ペア:

[(1, 20668656), (2, 10334328), (3, 6889552), (4, 5167164), (6, 3444776), (8, 2583582), (12, 1722388), (16, 1291791), (19, 1087824), (24, 861194), (38, 543912), (48, 430597), (57, 362608), (76, 271956), (114, 181304), (131, 157776), (152, 135978), (173, 119472), (228, 90652), (262, 78888), (304, 67989), (346, 59736), (393, 52592), (456, 45326), (519, 39824), (524, 39444), (692, 29868), (786, 26296), (912, 22663), (1038, 19912), (1048, 19722), (1384, 14934), (1572, 13148), (2076, 9956), (2096, 9861), (2489, 8304), (2768, 7467), (3144, 6574), (3287, 6288), (4152, 4978)]