20730215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 28848960

約数和(自身を除く): 8118745

約数列:

[1, 5, 11, 29, 41, 55, 145, 205, 317, 319, 451, 1189, 1585, 1595, 2255, 3487, 5945, 9193, 12997, 13079, 17435, 45965, 64985, 65395, 101123, 142967, 376913, 505615, 714835, 1884565, 4146043, 20730215]

約数ペア:

[(1, 20730215), (5, 4146043), (11, 1884565), (29, 714835), (41, 505615), (55, 376913), (145, 142967), (205, 101123), (317, 65395), (319, 64985), (451, 45965), (1189, 17435), (1585, 13079), (1595, 12997), (2255, 9193), (3487, 5945)]