20172758110

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{305047}}^1$

素因数の和:305460

約数の個数: 32

約数和(自身を含む): 38545865280

約数和(自身を除く): 18373107170

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 389, 778, 1945, 3890, 6613, 13226, 33065, 66130, 305047, 610094, 1525235, 3050470, 5185799, 10371598, 25928995, 51857990, 118663283, 237326566, 593316415, 1186632830, 2017275811, 4034551622, 10086379055, 20172758110]

約数ペア:

[(1, 20172758110), (2, 10086379055), (5, 4034551622), (10, 2017275811), (17, 1186632830), (34, 593316415), (85, 237326566), (170, 118663283), (389, 51857990), (778, 25928995), (1945, 10371598), (3890, 5185799), (6613, 3050470), (13226, 1525235), (33065, 610094), (66130, 305047)]