16910420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 36747648

約数和(自身を除く): 19837228

約数列:

[1, 2, 4, 5, 10, 20, 61, 83, 122, 166, 167, 244, 305, 332, 334, 415, 610, 668, 830, 835, 1220, 1660, 1670, 3340, 5063, 10126, 10187, 13861, 20252, 20374, 25315, 27722, 40748, 50630, 50935, 55444, 69305, 101260, 101870, 138610, 203740, 277220, 845521, 1691042, 3382084, 4227605, 8455210, 16910420]

約数ペア:

[(1, 16910420), (2, 8455210), (4, 4227605), (5, 3382084), (10, 1691042), (20, 845521), (61, 277220), (83, 203740), (122, 138610), (166, 101870), (167, 101260), (244, 69305), (305, 55444), (332, 50935), (334, 50630), (415, 40748), (610, 27722), (668, 25315), (830, 20374), (835, 20252), (1220, 13861), (1660, 10187), (1670, 10126), (3340, 5063)]