20165673904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74138507}}^1$

素因数の和:74138532

約数の個数: 20

約数和(自身を含む): 41369287464

約数和(自身を除く): 21203613560

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74138507, 148277014, 296554028, 593108056, 1186216112, 1260354619, 2520709238, 5041418476, 10082836952, 20165673904]

約数ペア:

[(1, 20165673904), (2, 10082836952), (4, 5041418476), (8, 2520709238), (16, 1260354619), (17, 1186216112), (34, 593108056), (68, 296554028), (136, 148277014), (272, 74138507)]