20374750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 43130880

約数和(自身を除く): 22756130

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 55, 62, 110, 125, 155, 239, 250, 275, 310, 341, 478, 550, 682, 775, 1195, 1375, 1550, 1705, 2390, 2629, 2750, 3410, 3875, 5258, 5975, 7409, 7750, 8525, 11950, 13145, 14818, 17050, 26290, 29875, 37045, 42625, 59750, 65725, 74090, 81499, 85250, 131450, 162998, 185225, 328625, 370450, 407495, 657250, 814990, 926125, 1852250, 2037475, 4074950, 10187375, 20374750]

約数ペア:

[(1, 20374750), (2, 10187375), (5, 4074950), (10, 2037475), (11, 1852250), (22, 926125), (25, 814990), (31, 657250), (50, 407495), (55, 370450), (62, 328625), (110, 185225), (125, 162998), (155, 131450), (239, 85250), (250, 81499), (275, 74090), (310, 65725), (341, 59750), (478, 42625), (550, 37045), (682, 29875), (775, 26290), (1195, 17050), (1375, 14818), (1550, 13145), (1705, 11950), (2390, 8525), (2629, 7750), (2750, 7409), (3410, 5975), (3875, 5258)]