20165148638

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1\times {\mathrm{12911}}^1$

素因数の和:13648

約数の個数: 32

約数和(自身を含む): 32530802688

約数和(自身を除く): 12365654050

約数列:

[1, 2, 17, 34, 71, 142, 647, 1207, 1294, 2414, 10999, 12911, 21998, 25822, 45937, 91874, 219487, 438974, 780929, 916681, 1561858, 1833362, 8353417, 15583577, 16706834, 31167154, 142008089, 284016178, 593092607, 1186185214, 10082574319, 20165148638]

約数ペア:

[(1, 20165148638), (2, 10082574319), (17, 1186185214), (34, 593092607), (71, 284016178), (142, 142008089), (647, 31167154), (1207, 16706834), (1294, 15583577), (2414, 8353417), (10999, 1833362), (12911, 1561858), (21998, 916681), (25822, 780929), (45937, 438974), (91874, 219487)]