20259430

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65353}}^1$

素因数の和:65391

約数の個数: 16

約数和(自身を含む): 37643904

約数和(自身を除く): 17384474

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 65353, 130706, 326765, 653530, 2025943, 4051886, 10129715, 20259430]

約数ペア:

[(1, 20259430), (2, 10129715), (5, 4051886), (10, 2025943), (31, 653530), (62, 326765), (155, 130706), (310, 65353)]