20709516

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{503}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 50125824

約数和(自身を除く): 29416308

約数列:

[1, 2, 3, 4, 6, 12, 47, 73, 94, 141, 146, 188, 219, 282, 292, 438, 503, 564, 876, 1006, 1509, 2012, 3018, 3431, 6036, 6862, 10293, 13724, 20586, 23641, 36719, 41172, 47282, 70923, 73438, 94564, 110157, 141846, 146876, 220314, 283692, 440628, 1725793, 3451586, 5177379, 6903172, 10354758, 20709516]

約数ペア:

[(1, 20709516), (2, 10354758), (3, 6903172), (4, 5177379), (6, 3451586), (12, 1725793), (47, 440628), (73, 283692), (94, 220314), (141, 146876), (146, 141846), (188, 110157), (219, 94564), (282, 73438), (292, 70923), (438, 47282), (503, 41172), (564, 36719), (876, 23641), (1006, 20586), (1509, 13724), (2012, 10293), (3018, 6862), (3431, 6036)]