20175031436

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1\times {\mathrm{30119}}^1$

素因数の和:30686

約数の個数: 48

約数和(自身を含む): 41290905600

約数和(自身を除く): 21115874164

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 509, 658, 1018, 1316, 2036, 3563, 7126, 14252, 23923, 30119, 47846, 60238, 95692, 120476, 167461, 210833, 334922, 421666, 669844, 843332, 1415593, 2831186, 5662372, 9909151, 15330571, 19818302, 30661142, 39636604, 61322284, 107313997, 214627994, 429255988, 720536837, 1441073674, 2882147348, 5043757859, 10087515718, 20175031436]

約数ペア:

[(1, 20175031436), (2, 10087515718), (4, 5043757859), (7, 2882147348), (14, 1441073674), (28, 720536837), (47, 429255988), (94, 214627994), (188, 107313997), (329, 61322284), (509, 39636604), (658, 30661142), (1018, 19818302), (1316, 15330571), (2036, 9909151), (3563, 5662372), (7126, 2831186), (14252, 1415593), (23923, 843332), (30119, 669844), (47846, 421666), (60238, 334922), (95692, 210833), (120476, 167461)]