20171888940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48028307}}^1$

素因数の和:48028326

約数の個数: 48

約数和(自身を含む): 64550045952

約数和(自身を除く): 44378157012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48028307, 96056614, 144084921, 192113228, 240141535, 288169842, 336198149, 480283070, 576339684, 672396298, 720424605, 960566140, 1008594447, 1344792596, 1440849210, 1680990745, 2017188894, 2881698420, 3361981490, 4034377788, 5042972235, 6723962980, 10085944470, 20171888940]

約数ペア:

[(1, 20171888940), (2, 10085944470), (3, 6723962980), (4, 5042972235), (5, 4034377788), (6, 3361981490), (7, 2881698420), (10, 2017188894), (12, 1680990745), (14, 1440849210), (15, 1344792596), (20, 1008594447), (21, 960566140), (28, 720424605), (30, 672396298), (35, 576339684), (42, 480283070), (60, 336198149), (70, 288169842), (84, 240141535), (105, 192113228), (140, 144084921), (210, 96056614), (420, 48028307)]