20219812430

素因数分解:

$2^1\times 5^1\times {\mathrm{30911}}^1\times {\mathrm{65413}}^1$

素因数の和:96331

約数の個数: 16

約数和(自身を含む): 36397396224

約数和(自身を除く): 16177583794

約数列:

[1, 2, 5, 10, 30911, 61822, 65413, 130826, 154555, 309110, 327065, 654130, 2021981243, 4043962486, 10109906215, 20219812430]

約数ペア:

[(1, 20219812430), (2, 10109906215), (5, 4043962486), (10, 2021981243), (30911, 654130), (61822, 327065), (65413, 309110), (130826, 154555)]