20183874880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4851893}}^1$

素因数の和:4851923

約数の個数: 56

約数和(自身を含む): 51760005192

約数和(自身を除く): 31576130312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 4851893, 9703786, 19407572, 24259465, 38815144, 48518930, 63074609, 77630288, 97037860, 126149218, 155260576, 194075720, 252298436, 310521152, 315373045, 388151440, 504596872, 630746090, 776302880, 1009193744, 1261492180, 1552605760, 2018387488, 2522984360, 4036774976, 5045968720, 10091937440, 20183874880]

約数ペア:

[(1, 20183874880), (2, 10091937440), (4, 5045968720), (5, 4036774976), (8, 2522984360), (10, 2018387488), (13, 1552605760), (16, 1261492180), (20, 1009193744), (26, 776302880), (32, 630746090), (40, 504596872), (52, 388151440), (64, 315373045), (65, 310521152), (80, 252298436), (104, 194075720), (130, 155260576), (160, 126149218), (208, 97037860), (260, 77630288), (320, 63074609), (416, 48518930), (520, 38815144), (832, 24259465), (1040, 19407572), (2080, 9703786), (4160, 4851893)]