20213460225

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{691}}^1$

素因数の和:909

約数の個数: 192

約数和(自身を含む): 43823861760

約数和(自身を除く): 23610401535

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 41, 45, 63, 75, 105, 123, 135, 151, 175, 189, 205, 225, 287, 315, 369, 453, 525, 615, 675, 691, 755, 861, 945, 1025, 1057, 1107, 1359, 1435, 1575, 1845, 2073, 2265, 2583, 3075, 3171, 3455, 3775, 4077, 4305, 4725, 4837, 5285, 5535, 6191, 6219, 6795, 7175, 7749, 9225, 9513, 10365, 11325, 12915, 14511, 15855, 17275, 18573, 18657, 20385, 21525, 24185, 26425, 27675, 28331, 28539, 30955, 31095, 33975, 38745, 43337, 43533, 47565, 51825, 55719, 64575, 72555, 79275, 84993, 92865, 93285, 101925, 104341, 120925, 130011, 130599, 141655, 142695, 154775, 155475, 167157, 193725, 198317, 216685, 217665, 237825, 254979, 278595, 313023, 362775, 390033, 424965, 464325, 466425, 521705, 594951, 650055, 652995, 708275, 713475, 730387, 764937, 835785, 939069, 991585, 1083425, 1088325, 1170099, 1274895, 1392975, 1565115, 1784853, 1950165, 2124825, 2191161, 2608525, 2817207, 2974755, 3250275, 3264975, 3651935, 3824685, 4178925, 4277981, 4695345, 4957925, 5354559, 5850495, 6374475, 6573483, 7825575, 8924265, 9750825, 10955805, 12833943, 14086035, 14873775, 18259675, 19123425, 19720449, 21389905, 23476725, 26772795, 29252475, 29945867, 32867415, 38501829, 44621325, 54779025, 64169715, 70430175, 89837601, 98602245, 106949525, 115505487, 133863975, 149729335, 164337075, 192509145, 269512803, 320848575, 449188005, 493011225, 577527435, 748646675, 808538409, 962545725, 1347564015, 2245940025, 2887637175, 4042692045, 6737820075, 20213460225]

約数ペア:

[(1, 20213460225), (3, 6737820075), (5, 4042692045), (7, 2887637175), (9, 2245940025), (15, 1347564015), (21, 962545725), (25, 808538409), (27, 748646675), (35, 577527435), (41, 493011225), (45, 449188005), (63, 320848575), (75, 269512803), (105, 192509145), (123, 164337075), (135, 149729335), (151, 133863975), (175, 115505487), (189, 106949525), (205, 98602245), (225, 89837601), (287, 70430175), (315, 64169715), (369, 54779025), (453, 44621325), (525, 38501829), (615, 32867415), (675, 29945867), (691, 29252475), (755, 26772795), (861, 23476725), (945, 21389905), (1025, 19720449), (1057, 19123425), (1107, 18259675), (1359, 14873775), (1435, 14086035), (1575, 12833943), (1845, 10955805), (2073, 9750825), (2265, 8924265), (2583, 7825575), (3075, 6573483), (3171, 6374475), (3455, 5850495), (3775, 5354559), (4077, 4957925), (4305, 4695345), (4725, 4277981), (4837, 4178925), (5285, 3824685), (5535, 3651935), (6191, 3264975), (6219, 3250275), (6795, 2974755), (7175, 2817207), (7749, 2608525), (9225, 2191161), (9513, 2124825), (10365, 1950165), (11325, 1784853), (12915, 1565115), (14511, 1392975), (15855, 1274895), (17275, 1170099), (18573, 1088325), (18657, 1083425), (20385, 991585), (21525, 939069), (24185, 835785), (26425, 764937), (27675, 730387), (28331, 713475), (28539, 708275), (30955, 652995), (31095, 650055), (33975, 594951), (38745, 521705), (43337, 466425), (43533, 464325), (47565, 424965), (51825, 390033), (55719, 362775), (64575, 313023), (72555, 278595), (79275, 254979), (84993, 237825), (92865, 217665), (93285, 216685), (101925, 198317), (104341, 193725), (120925, 167157), (130011, 155475), (130599, 154775), (141655, 142695)]