20088496

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:541

約数の個数: 40

約数和(自身を含む): 40675968

約数和(自身を除く): 20587472

約数列:

[1, 2, 4, 8, 16, 31, 62, 101, 124, 202, 248, 401, 404, 496, 802, 808, 1604, 1616, 3131, 3208, 6262, 6416, 12431, 12524, 24862, 25048, 40501, 49724, 50096, 81002, 99448, 162004, 198896, 324008, 648016, 1255531, 2511062, 5022124, 10044248, 20088496]

約数ペア:

[(1, 20088496), (2, 10044248), (4, 5022124), (8, 2511062), (16, 1255531), (31, 648016), (62, 324008), (101, 198896), (124, 162004), (202, 99448), (248, 81002), (401, 50096), (404, 49724), (496, 40501), (802, 25048), (808, 24862), (1604, 12524), (1616, 12431), (3131, 6416), (3208, 6262)]