20199157405

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1\times {\mathrm{46381}}^1$

素因数の和:46957

約数の個数: 32

約数和(自身を含む): 28960178688

約数和(自身を除く): 8761021283

約数列:

[1, 5, 7, 23, 35, 115, 161, 541, 805, 2705, 3787, 12443, 18935, 46381, 62215, 87101, 231905, 324667, 435505, 1066763, 1623335, 5333815, 7467341, 25092121, 37336705, 125460605, 175644847, 577118783, 878224235, 2885593915, 4039831481, 20199157405]

約数ペア:

[(1, 20199157405), (5, 4039831481), (7, 2885593915), (23, 878224235), (35, 577118783), (115, 175644847), (161, 125460605), (541, 37336705), (805, 25092121), (2705, 7467341), (3787, 5333815), (12443, 1623335), (18935, 1066763), (46381, 435505), (62215, 324667), (87101, 231905)]