20531892

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 49718592

約数和(自身を除く): 29186700

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 131, 148, 222, 262, 353, 393, 444, 524, 706, 786, 1059, 1412, 1572, 2118, 4236, 4847, 9694, 13061, 14541, 19388, 26122, 29082, 39183, 46243, 52244, 58164, 78366, 92486, 138729, 156732, 184972, 277458, 554916, 1710991, 3421982, 5132973, 6843964, 10265946, 20531892]

約数ペア:

[(1, 20531892), (2, 10265946), (3, 6843964), (4, 5132973), (6, 3421982), (12, 1710991), (37, 554916), (74, 277458), (111, 184972), (131, 156732), (148, 138729), (222, 92486), (262, 78366), (353, 58164), (393, 52244), (444, 46243), (524, 39183), (706, 29082), (786, 26122), (1059, 19388), (1412, 14541), (1572, 13061), (2118, 9694), (4236, 4847)]