20125067505

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:863

約数の個数: 128

約数和(自身を含む): 36160266240

約数和(自身を除く): 16035198735

約数列:

[1, 3, 5, 15, 23, 29, 41, 69, 71, 87, 115, 123, 145, 205, 213, 345, 355, 435, 615, 667, 691, 943, 1065, 1189, 1633, 2001, 2059, 2073, 2829, 2911, 3335, 3455, 3567, 4715, 4899, 5945, 6177, 8165, 8733, 10005, 10295, 10365, 14145, 14555, 15893, 17835, 20039, 24495, 27347, 28331, 30885, 43665, 47357, 47679, 49061, 60117, 66953, 79465, 82041, 84419, 84993, 100195, 136735, 141655, 142071, 147183, 200859, 236785, 238395, 245305, 253257, 300585, 334765, 410205, 422095, 424965, 460897, 651613, 710355, 735915, 821599, 1004295, 1128403, 1266285, 1382691, 1422769, 1941637, 1954839, 2011501, 2304485, 2464797, 3258065, 3385209, 4107995, 4268307, 5642015, 5824911, 6034503, 6913455, 7113845, 9708185, 9774195, 10057505, 12323985, 16926045, 18896777, 21341535, 29124555, 30172515, 32723687, 46264523, 56690331, 58333529, 94483885, 98171061, 138793569, 163618435, 175000587, 231322615, 283451655, 291667645, 490855305, 693967845, 875002935, 1341671167, 4025013501, 6708355835, 20125067505]

約数ペア:

[(1, 20125067505), (3, 6708355835), (5, 4025013501), (15, 1341671167), (23, 875002935), (29, 693967845), (41, 490855305), (69, 291667645), (71, 283451655), (87, 231322615), (115, 175000587), (123, 163618435), (145, 138793569), (205, 98171061), (213, 94483885), (345, 58333529), (355, 56690331), (435, 46264523), (615, 32723687), (667, 30172515), (691, 29124555), (943, 21341535), (1065, 18896777), (1189, 16926045), (1633, 12323985), (2001, 10057505), (2059, 9774195), (2073, 9708185), (2829, 7113845), (2911, 6913455), (3335, 6034503), (3455, 5824911), (3567, 5642015), (4715, 4268307), (4899, 4107995), (5945, 3385209), (6177, 3258065), (8165, 2464797), (8733, 2304485), (10005, 2011501), (10295, 1954839), (10365, 1941637), (14145, 1422769), (14555, 1382691), (15893, 1266285), (17835, 1128403), (20039, 1004295), (24495, 821599), (27347, 735915), (28331, 710355), (30885, 651613), (43665, 460897), (47357, 424965), (47679, 422095), (49061, 410205), (60117, 334765), (66953, 300585), (79465, 253257), (82041, 245305), (84419, 238395), (84993, 236785), (100195, 200859), (136735, 147183), (141655, 142071)]