20130451215

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{668009}}^1$

素因数の和:668072

約数の個数: 48

約数和(自身を含む): 38381182560

約数和(自身を除く): 18250731345

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 49, 105, 123, 147, 205, 245, 287, 615, 735, 861, 1435, 2009, 4305, 6027, 10045, 30135, 668009, 2004027, 3340045, 4676063, 10020135, 14028189, 23380315, 27388369, 32732441, 70140945, 82165107, 98197323, 136941845, 163662205, 191718583, 410825535, 490986615, 575155749, 958592915, 1342030081, 2875778745, 4026090243, 6710150405, 20130451215]

約数ペア:

[(1, 20130451215), (3, 6710150405), (5, 4026090243), (7, 2875778745), (15, 1342030081), (21, 958592915), (35, 575155749), (41, 490986615), (49, 410825535), (105, 191718583), (123, 163662205), (147, 136941845), (205, 98197323), (245, 82165107), (287, 70140945), (615, 32732441), (735, 27388369), (861, 23380315), (1435, 14028189), (2009, 10020135), (4305, 4676063), (6027, 3340045), (10045, 2004027), (30135, 668009)]