20173922055

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:698

約数の個数: 144

約数和(自身を含む): 41306398848

約数和(自身を除く): 21132476793

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 131, 147, 211, 245, 315, 331, 393, 441, 633, 655, 735, 917, 993, 1055, 1179, 1477, 1655, 1899, 1965, 2205, 2317, 2751, 2979, 3165, 4431, 4585, 4965, 5895, 6419, 6951, 7385, 8253, 9495, 10339, 11585, 13293, 13755, 14895, 16219, 19257, 20853, 22155, 27641, 31017, 32095, 34755, 41265, 43361, 48657, 51695, 57771, 66465, 69841, 81095, 82923, 93051, 96285, 104265, 130083, 138205, 145971, 155085, 193487, 209523, 216805, 243285, 248769, 288855, 303527, 349205, 390249, 414615, 465255, 488887, 580461, 628569, 650415, 729855, 910581, 967435, 1047615, 1243845, 1354409, 1466661, 1517635, 1741383, 1951245, 2124689, 2444435, 2731743, 2902305, 3142845, 3422209, 4063227, 4399983, 4552905, 6374067, 6772045, 7333305, 8706915, 9149171, 10266627, 10623445, 12189681, 13658715, 17111045, 19122201, 20316135, 21999915, 27447513, 30799881, 31870335, 45745855, 51333135, 60948405, 64044197, 82342539, 95611005, 137237565, 153999405, 192132591, 320220985, 411712695, 448309379, 576397773, 960662955, 1344928137, 2241546895, 2881988865, 4034784411, 6724640685, 20173922055]

約数ペア:

[(1, 20173922055), (3, 6724640685), (5, 4034784411), (7, 2881988865), (9, 2241546895), (15, 1344928137), (21, 960662955), (35, 576397773), (45, 448309379), (49, 411712695), (63, 320220985), (105, 192132591), (131, 153999405), (147, 137237565), (211, 95611005), (245, 82342539), (315, 64044197), (331, 60948405), (393, 51333135), (441, 45745855), (633, 31870335), (655, 30799881), (735, 27447513), (917, 21999915), (993, 20316135), (1055, 19122201), (1179, 17111045), (1477, 13658715), (1655, 12189681), (1899, 10623445), (1965, 10266627), (2205, 9149171), (2317, 8706915), (2751, 7333305), (2979, 6772045), (3165, 6374067), (4431, 4552905), (4585, 4399983), (4965, 4063227), (5895, 3422209), (6419, 3142845), (6951, 2902305), (7385, 2731743), (8253, 2444435), (9495, 2124689), (10339, 1951245), (11585, 1741383), (13293, 1517635), (13755, 1466661), (14895, 1354409), (16219, 1243845), (19257, 1047615), (20853, 967435), (22155, 910581), (27641, 729855), (31017, 650415), (32095, 628569), (34755, 580461), (41265, 488887), (43361, 465255), (48657, 414615), (51695, 390249), (57771, 349205), (66465, 303527), (69841, 288855), (81095, 248769), (82923, 243285), (93051, 216805), (96285, 209523), (104265, 193487), (130083, 155085), (138205, 145971)]