20812974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38119}}^1$

素因数の和:38144

約数の個数: 32

約数和(自身を含む): 51233280

約数和(自身を除く): 30420306

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 38119, 76238, 114357, 228714, 266833, 495547, 533666, 800499, 991094, 1486641, 1600998, 2973282, 3468829, 6937658, 10406487, 20812974]

約数ペア:

[(1, 20812974), (2, 10406487), (3, 6937658), (6, 3468829), (7, 2973282), (13, 1600998), (14, 1486641), (21, 991094), (26, 800499), (39, 533666), (42, 495547), (78, 266833), (91, 228714), (182, 114357), (273, 76238), (546, 38119)]