20618694

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:501

約数の個数: 48

約数和(自身を含む): 46558512

約数和(自身を除く): 25939818

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 83, 111, 166, 222, 249, 333, 373, 498, 666, 746, 747, 1119, 1494, 2238, 3071, 3357, 6142, 6714, 9213, 13801, 18426, 27602, 27639, 30959, 41403, 55278, 61918, 82806, 92877, 124209, 185754, 248418, 278631, 557262, 1145483, 2290966, 3436449, 6872898, 10309347, 20618694]

約数ペア:

[(1, 20618694), (2, 10309347), (3, 6872898), (6, 3436449), (9, 2290966), (18, 1145483), (37, 557262), (74, 278631), (83, 248418), (111, 185754), (166, 124209), (222, 92877), (249, 82806), (333, 61918), (373, 55278), (498, 41403), (666, 30959), (746, 27639), (747, 27602), (1119, 18426), (1494, 13801), (2238, 9213), (3071, 6714), (3357, 6142)]