20854650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{3391}}^1$

素因数の和:3447

約数の個数: 48

約数和(自身を含む): 52996608

約数和(自身を除く): 32141958

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 41, 50, 75, 82, 123, 150, 205, 246, 410, 615, 1025, 1230, 2050, 3075, 3391, 6150, 6782, 10173, 16955, 20346, 33910, 50865, 84775, 101730, 139031, 169550, 254325, 278062, 417093, 508650, 695155, 834186, 1390310, 2085465, 3475775, 4170930, 6951550, 10427325, 20854650]

約数ペア:

[(1, 20854650), (2, 10427325), (3, 6951550), (5, 4170930), (6, 3475775), (10, 2085465), (15, 1390310), (25, 834186), (30, 695155), (41, 508650), (50, 417093), (75, 278062), (82, 254325), (123, 169550), (150, 139031), (205, 101730), (246, 84775), (410, 50865), (615, 33910), (1025, 20346), (1230, 16955), (2050, 10173), (3075, 6782), (3391, 6150)]