20524940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{54013}}^1$

素因数の和:54041

約数の個数: 24

約数和(自身を含む): 45371760

約数和(自身を除く): 24846820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 54013, 108026, 216052, 270065, 540130, 1026247, 1080260, 2052494, 4104988, 5131235, 10262470, 20524940]

約数ペア:

[(1, 20524940), (2, 10262470), (4, 5131235), (5, 4104988), (10, 2052494), (19, 1080260), (20, 1026247), (38, 540130), (76, 270065), (95, 216052), (190, 108026), (380, 54013)]