20123849992

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{221219}}^1$

素因数の和:221445

約数の個数: 32

約数和(自身を含む): 38465733600

約数和(自身を除く): 18341883608

約数列:

[1, 2, 4, 8, 83, 137, 166, 274, 332, 548, 664, 1096, 11371, 22742, 45484, 90968, 221219, 442438, 884876, 1769752, 18361177, 30307003, 36722354, 60614006, 73444708, 121228012, 146889416, 242456024, 2515481249, 5030962498, 10061924996, 20123849992]

約数ペア:

[(1, 20123849992), (2, 10061924996), (4, 5030962498), (8, 2515481249), (83, 242456024), (137, 146889416), (166, 121228012), (274, 73444708), (332, 60614006), (548, 36722354), (664, 30307003), (1096, 18361177), (11371, 1769752), (22742, 884876), (45484, 442438), (90968, 221219)]