20345276

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{229}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 43276800

約数和(自身を除く): 22931524

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 167, 229, 266, 334, 458, 532, 668, 916, 1169, 1603, 2338, 3173, 3206, 4351, 4676, 6346, 6412, 8702, 12692, 17404, 22211, 30457, 38243, 44422, 60914, 76486, 88844, 121828, 152972, 267701, 535402, 726617, 1070804, 1453234, 2906468, 5086319, 10172638, 20345276]

約数ペア:

[(1, 20345276), (2, 10172638), (4, 5086319), (7, 2906468), (14, 1453234), (19, 1070804), (28, 726617), (38, 535402), (76, 267701), (133, 152972), (167, 121828), (229, 88844), (266, 76486), (334, 60914), (458, 44422), (532, 38243), (668, 30457), (916, 22211), (1169, 17404), (1603, 12692), (2338, 8702), (3173, 6412), (3206, 6346), (4351, 4676)]