20460258

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12491}}^1$

素因数の和:12519

約数の個数: 48

約数和(自身を含む): 54565056

約数和(自身を除く): 34104798

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12491, 24982, 37473, 74946, 87437, 112419, 162383, 174874, 224838, 262311, 324766, 487149, 524622, 786933, 974298, 1136681, 1461447, 1573866, 2273362, 2922894, 3410043, 6820086, 10230129, 20460258]

約数ペア:

[(1, 20460258), (2, 10230129), (3, 6820086), (6, 3410043), (7, 2922894), (9, 2273362), (13, 1573866), (14, 1461447), (18, 1136681), (21, 974298), (26, 786933), (39, 524622), (42, 487149), (63, 324766), (78, 262311), (91, 224838), (117, 174874), (126, 162383), (182, 112419), (234, 87437), (273, 74946), (546, 37473), (819, 24982), (1638, 12491)]