20073982480

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4113521}}^1$

素因数の和:4113595

約数の個数: 40

約数和(自身を含む): 47437135704

約数和(自身を除く): 27363153224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 4113521, 8227042, 16454084, 20567605, 32908168, 41135210, 65816336, 82270420, 164540840, 250924781, 329081680, 501849562, 1003699124, 1254623905, 2007398248, 2509247810, 4014796496, 5018495620, 10036991240, 20073982480]

約数ペア:

[(1, 20073982480), (2, 10036991240), (4, 5018495620), (5, 4014796496), (8, 2509247810), (10, 2007398248), (16, 1254623905), (20, 1003699124), (40, 501849562), (61, 329081680), (80, 250924781), (122, 164540840), (244, 82270420), (305, 65816336), (488, 41135210), (610, 32908168), (976, 20567605), (1220, 16454084), (2440, 8227042), (4880, 4113521)]