20456616

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 54446400

約数和(自身を除く): 33989784

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 113, 114, 152, 226, 228, 339, 397, 452, 456, 678, 794, 904, 1191, 1356, 1588, 2147, 2382, 2712, 3176, 4294, 4764, 6441, 7543, 8588, 9528, 12882, 15086, 17176, 22629, 25764, 30172, 44861, 45258, 51528, 60344, 89722, 90516, 134583, 179444, 181032, 269166, 358888, 538332, 852359, 1076664, 1704718, 2557077, 3409436, 5114154, 6818872, 10228308, 20456616]

約数ペア:

[(1, 20456616), (2, 10228308), (3, 6818872), (4, 5114154), (6, 3409436), (8, 2557077), (12, 1704718), (19, 1076664), (24, 852359), (38, 538332), (57, 358888), (76, 269166), (113, 181032), (114, 179444), (152, 134583), (226, 90516), (228, 89722), (339, 60344), (397, 51528), (452, 45258), (456, 44861), (678, 30172), (794, 25764), (904, 22629), (1191, 17176), (1356, 15086), (1588, 12882), (2147, 9528), (2382, 8588), (2712, 7543), (3176, 6441), (4294, 4764)]