20211059175

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^2\times {\mathrm{59}}^1\times {\mathrm{5431}}^1$

素因数の和:5561

約数の個数: 72

約数和(自身を含む): 35200663680

約数和(自身を除く): 14989604505

約数列:

[1, 3, 5, 15, 25, 29, 59, 75, 87, 145, 177, 295, 435, 725, 841, 885, 1475, 1711, 2175, 2523, 4205, 4425, 5133, 5431, 8555, 12615, 16293, 21025, 25665, 27155, 42775, 49619, 63075, 81465, 128325, 135775, 148857, 157499, 248095, 320429, 407325, 472497, 744285, 787495, 961287, 1240475, 1602145, 2362485, 3721425, 3937475, 4567471, 4806435, 8010725, 9292441, 11812425, 13702413, 22837355, 24032175, 27877323, 46462205, 68512065, 114186775, 139386615, 232311025, 269480789, 342560325, 696933075, 808442367, 1347403945, 4042211835, 6737019725, 20211059175]

約数ペア:

[(1, 20211059175), (3, 6737019725), (5, 4042211835), (15, 1347403945), (25, 808442367), (29, 696933075), (59, 342560325), (75, 269480789), (87, 232311025), (145, 139386615), (177, 114186775), (295, 68512065), (435, 46462205), (725, 27877323), (841, 24032175), (885, 22837355), (1475, 13702413), (1711, 11812425), (2175, 9292441), (2523, 8010725), (4205, 4806435), (4425, 4567471), (5133, 3937475), (5431, 3721425), (8555, 2362485), (12615, 1602145), (16293, 1240475), (21025, 961287), (25665, 787495), (27155, 744285), (42775, 472497), (49619, 407325), (63075, 320429), (81465, 248095), (128325, 157499), (135775, 148857)]