20723778888

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{38699}}^1$

素因数の和:39182

約数の個数: 64

約数和(自身を含む): 52913736000

約数和(自身を除く): 32189957112

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 421, 424, 636, 842, 1263, 1272, 1684, 2526, 3368, 5052, 10104, 22313, 38699, 44626, 66939, 77398, 89252, 116097, 133878, 154796, 178504, 232194, 267756, 309592, 464388, 535512, 928776, 2051047, 4102094, 6153141, 8204188, 12306282, 16292279, 16408376, 24612564, 32584558, 48876837, 49225128, 65169116, 97753674, 130338232, 195507348, 391014696, 863490787, 1726981574, 2590472361, 3453963148, 5180944722, 6907926296, 10361889444, 20723778888]

約数ペア:

[(1, 20723778888), (2, 10361889444), (3, 6907926296), (4, 5180944722), (6, 3453963148), (8, 2590472361), (12, 1726981574), (24, 863490787), (53, 391014696), (106, 195507348), (159, 130338232), (212, 97753674), (318, 65169116), (421, 49225128), (424, 48876837), (636, 32584558), (842, 24612564), (1263, 16408376), (1272, 16292279), (1684, 12306282), (2526, 8204188), (3368, 6153141), (5052, 4102094), (10104, 2051047), (22313, 928776), (38699, 535512), (44626, 464388), (66939, 309592), (77398, 267756), (89252, 232194), (116097, 178504), (133878, 154796)]