20165055545

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{509}}^1\times {\mathrm{641}}^1$

素因数の和:1465

約数の個数: 32

約数和(自身を含む): 24894397440

約数和(自身を除く): 4729341895

約数列:

[1, 5, 47, 235, 263, 509, 641, 1315, 2545, 3205, 12361, 23923, 30127, 61805, 119615, 133867, 150635, 168583, 326269, 669335, 842915, 1631345, 6291749, 7923401, 15334643, 31458745, 39617005, 76673215, 85808747, 429043735, 4033011109, 20165055545]

約数ペア:

[(1, 20165055545), (5, 4033011109), (47, 429043735), (235, 85808747), (263, 76673215), (509, 39617005), (641, 31458745), (1315, 15334643), (2545, 7923401), (3205, 6291749), (12361, 1631345), (23923, 842915), (30127, 669335), (61805, 326269), (119615, 168583), (133867, 150635)]