20105072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{593}}^1$

素因数の和:777

約数の個数: 40

約数和(自身を含む): 42278544

約数和(自身を除く): 22173472

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 163, 208, 326, 593, 652, 1186, 1304, 2119, 2372, 2608, 4238, 4744, 7709, 8476, 9488, 15418, 16952, 30836, 33904, 61672, 96659, 123344, 193318, 386636, 773272, 1256567, 1546544, 2513134, 5026268, 10052536, 20105072]

約数ペア:

[(1, 20105072), (2, 10052536), (4, 5026268), (8, 2513134), (13, 1546544), (16, 1256567), (26, 773272), (52, 386636), (104, 193318), (163, 123344), (208, 96659), (326, 61672), (593, 33904), (652, 30836), (1186, 16952), (1304, 15418), (2119, 9488), (2372, 8476), (2608, 7709), (4238, 4744)]