20200705

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 29986560

約数和(自身を除く): 9785855

約数列:

[1, 5, 7, 19, 35, 37, 95, 133, 185, 259, 665, 703, 821, 1295, 3515, 4105, 4921, 5747, 15599, 24605, 28735, 30377, 77995, 109193, 151885, 212639, 545965, 577163, 1063195, 2885815, 4040141, 20200705]

約数ペア:

[(1, 20200705), (5, 4040141), (7, 2885815), (19, 1063195), (35, 577163), (37, 545965), (95, 212639), (133, 151885), (185, 109193), (259, 77995), (665, 30377), (703, 28735), (821, 24605), (1295, 15599), (3515, 5747), (4105, 4921)]