20029124480

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{238897}}^1$

素因数の和:239047

約数の個数: 64

約数和(自身を含む): 48247840080

約数和(自身を除く): 28218715600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 524, 640, 655, 1048, 1310, 2096, 2620, 4192, 5240, 8384, 10480, 16768, 20960, 41920, 83840, 238897, 477794, 955588, 1194485, 1911176, 2388970, 3822352, 4777940, 7644704, 9555880, 15289408, 19111760, 30578816, 31295507, 38223520, 62591014, 76447040, 125182028, 152894080, 156477535, 250364056, 312955070, 500728112, 625910140, 1001456224, 1251820280, 2002912448, 2503640560, 4005824896, 5007281120, 10014562240, 20029124480]

約数ペア:

[(1, 20029124480), (2, 10014562240), (4, 5007281120), (5, 4005824896), (8, 2503640560), (10, 2002912448), (16, 1251820280), (20, 1001456224), (32, 625910140), (40, 500728112), (64, 312955070), (80, 250364056), (128, 156477535), (131, 152894080), (160, 125182028), (262, 76447040), (320, 62591014), (524, 38223520), (640, 31295507), (655, 30578816), (1048, 19111760), (1310, 15289408), (2096, 9555880), (2620, 7644704), (4192, 4777940), (5240, 3822352), (8384, 2388970), (10480, 1911176), (16768, 1194485), (20960, 955588), (41920, 477794), (83840, 238897)]