20512946478

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{117071}}^1$

素因数の和:117177

約数の個数: 64

約数和(自身を含む): 45517593600

約数和(自身を除く): 25004647122

約数列:

[1, 2, 3, 6, 19, 29, 38, 53, 57, 58, 87, 106, 114, 159, 174, 318, 551, 1007, 1102, 1537, 1653, 2014, 3021, 3074, 3306, 4611, 6042, 9222, 29203, 58406, 87609, 117071, 175218, 234142, 351213, 702426, 2224349, 3395059, 4448698, 6204763, 6673047, 6790118, 10185177, 12409526, 13346094, 18614289, 20370354, 37228578, 64506121, 117890497, 129012242, 179938127, 193518363, 235780994, 353671491, 359876254, 387036726, 539814381, 707342982, 1079628762, 3418824413, 6837648826, 10256473239, 20512946478]

約数ペア:

[(1, 20512946478), (2, 10256473239), (3, 6837648826), (6, 3418824413), (19, 1079628762), (29, 707342982), (38, 539814381), (53, 387036726), (57, 359876254), (58, 353671491), (87, 235780994), (106, 193518363), (114, 179938127), (159, 129012242), (174, 117890497), (318, 64506121), (551, 37228578), (1007, 20370354), (1102, 18614289), (1537, 13346094), (1653, 12409526), (2014, 10185177), (3021, 6790118), (3074, 6673047), (3306, 6204763), (4611, 4448698), (6042, 3395059), (9222, 2224349), (29203, 702426), (58406, 351213), (87609, 234142), (117071, 175218)]