20947836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19183}}^1$

素因数の和:19210

約数の個数: 48

約数和(自身を含む): 60161024

約数和(自身を除く): 39213188

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19183, 38366, 57549, 76732, 115098, 134281, 230196, 249379, 268562, 402843, 498758, 537124, 748137, 805686, 997516, 1496274, 1611372, 1745653, 2992548, 3491306, 5236959, 6982612, 10473918, 20947836]

約数ペア:

[(1, 20947836), (2, 10473918), (3, 6982612), (4, 5236959), (6, 3491306), (7, 2992548), (12, 1745653), (13, 1611372), (14, 1496274), (21, 997516), (26, 805686), (28, 748137), (39, 537124), (42, 498758), (52, 402843), (78, 268562), (84, 249379), (91, 230196), (156, 134281), (182, 115098), (273, 76732), (364, 57549), (546, 38366), (1092, 19183)]