20123847513020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5231}}^1\times {\mathrm{11314813}}^1$

素因数の和:11320070

約数の個数: 48

約数和(自身を含む): 44754524777088

約数和(自身を除く): 24630677264068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 5231, 10462, 20924, 26155, 52310, 88927, 104620, 177854, 355708, 444635, 889270, 1778540, 11314813, 22629626, 45259252, 56574065, 113148130, 192351821, 226296260, 384703642, 769407284, 961759105, 1923518210, 3847036420, 59187786803, 118375573606, 236751147212, 295938934015, 591877868030, 1006192375651, 1183755736060, 2012384751302, 4024769502604, 5030961878255, 10061923756510, 20123847513020]

約数ペア:

[(1, 20123847513020), (2, 10061923756510), (4, 5030961878255), (5, 4024769502604), (10, 2012384751302), (17, 1183755736060), (20, 1006192375651), (34, 591877868030), (68, 295938934015), (85, 236751147212), (170, 118375573606), (340, 59187786803), (5231, 3847036420), (10462, 1923518210), (20924, 961759105), (26155, 769407284), (52310, 384703642), (88927, 226296260), (104620, 192351821), (177854, 113148130), (355708, 56574065), (444635, 45259252), (889270, 22629626), (1778540, 11314813)]