20195175

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 44997120

約数和(自身を除く): 24801945

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 25, 33, 35, 39, 55, 65, 75, 77, 91, 105, 143, 165, 175, 195, 231, 269, 273, 275, 325, 385, 429, 455, 525, 715, 807, 825, 975, 1001, 1155, 1345, 1365, 1883, 1925, 2145, 2275, 2959, 3003, 3497, 3575, 4035, 5005, 5649, 5775, 6725, 6825, 8877, 9415, 10491, 10725, 14795, 15015, 17485, 20175, 20713, 24479, 25025, 28245, 38467, 44385, 47075, 52455, 62139, 73437, 73975, 75075, 87425, 103565, 115401, 122395, 141225, 192335, 221925, 262275, 269269, 310695, 367185, 517825, 577005, 611975, 807807, 961675, 1346345, 1553475, 1835925, 2885025, 4039035, 6731725, 20195175]

約数ペア:

[(1, 20195175), (3, 6731725), (5, 4039035), (7, 2885025), (11, 1835925), (13, 1553475), (15, 1346345), (21, 961675), (25, 807807), (33, 611975), (35, 577005), (39, 517825), (55, 367185), (65, 310695), (75, 269269), (77, 262275), (91, 221925), (105, 192335), (143, 141225), (165, 122395), (175, 115401), (195, 103565), (231, 87425), (269, 75075), (273, 73975), (275, 73437), (325, 62139), (385, 52455), (429, 47075), (455, 44385), (525, 38467), (715, 28245), (807, 25025), (825, 24479), (975, 20713), (1001, 20175), (1155, 17485), (1345, 15015), (1365, 14795), (1883, 10725), (1925, 10491), (2145, 9415), (2275, 8877), (2959, 6825), (3003, 6725), (3497, 5775), (3575, 5649), (4035, 5005)]