20210219295

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{317}}^1\times {\mathrm{683}}^1$

素因数の和:1149

約数の個数: 96

約数和(自身を含む): 38087221248

約数和(自身を除く): 17877001953

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 127, 147, 245, 317, 381, 635, 683, 735, 889, 951, 1585, 1905, 2049, 2219, 2667, 3415, 4445, 4755, 4781, 6223, 6657, 10245, 11095, 13335, 14343, 15533, 18669, 23905, 31115, 33285, 33467, 40259, 46599, 71715, 77665, 86741, 93345, 100401, 120777, 167335, 201295, 216511, 232995, 260223, 281813, 433705, 502005, 603885, 607187, 649533, 845439, 1082555, 1301115, 1409065, 1515577, 1821561, 1972691, 3035935, 3247665, 4227195, 4250309, 4546731, 5918073, 7577885, 9107805, 9863455, 10609039, 12750927, 21251545, 22733655, 27496897, 29590365, 31827117, 53045195, 63754635, 82490691, 137484485, 159135585, 192478279, 412453455, 577434837, 962391395, 1347347953, 2887174185, 4042043859, 6736739765, 20210219295]

約数ペア:

[(1, 20210219295), (3, 6736739765), (5, 4042043859), (7, 2887174185), (15, 1347347953), (21, 962391395), (35, 577434837), (49, 412453455), (105, 192478279), (127, 159135585), (147, 137484485), (245, 82490691), (317, 63754635), (381, 53045195), (635, 31827117), (683, 29590365), (735, 27496897), (889, 22733655), (951, 21251545), (1585, 12750927), (1905, 10609039), (2049, 9863455), (2219, 9107805), (2667, 7577885), (3415, 5918073), (4445, 4546731), (4755, 4250309), (4781, 4227195), (6223, 3247665), (6657, 3035935), (10245, 1972691), (11095, 1821561), (13335, 1515577), (14343, 1409065), (15533, 1301115), (18669, 1082555), (23905, 845439), (31115, 649533), (33285, 607187), (33467, 603885), (40259, 502005), (46599, 433705), (71715, 281813), (77665, 260223), (86741, 232995), (93345, 216511), (100401, 201295), (120777, 167335)]