20836762928

素因数分解:

$2^4\times {\mathrm{503}}^1\times {\mathrm{1303}}^1\times {\mathrm{1987}}^1$

素因数の和:3801

約数の個数: 40

約数和(自身を含む): 40502907648

約数和(自身を除く): 19666144720

約数列:

[1, 2, 4, 8, 16, 503, 1006, 1303, 1987, 2012, 2606, 3974, 4024, 5212, 7948, 8048, 10424, 15896, 20848, 31792, 655409, 999461, 1310818, 1998922, 2589061, 2621636, 3997844, 5178122, 5243272, 7995688, 10356244, 10486544, 15991376, 20712488, 41424976, 1302297683, 2604595366, 5209190732, 10418381464, 20836762928]

約数ペア:

[(1, 20836762928), (2, 10418381464), (4, 5209190732), (8, 2604595366), (16, 1302297683), (503, 41424976), (1006, 20712488), (1303, 15991376), (1987, 10486544), (2012, 10356244), (2606, 7995688), (3974, 5243272), (4024, 5178122), (5212, 3997844), (7948, 2621636), (8048, 2589061), (10424, 1998922), (15896, 1310818), (20848, 999461), (31792, 655409)]