20160696680

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{55711}}^1$

素因数の和:55914

約数の個数: 64

約数和(自身を含む): 46330099200

約数和(自身を除く): 26169402520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 109, 166, 218, 332, 415, 436, 545, 664, 830, 872, 1090, 1660, 2180, 3320, 4360, 9047, 18094, 36188, 45235, 55711, 72376, 90470, 111422, 180940, 222844, 278555, 361880, 445688, 557110, 1114220, 2228440, 4624013, 6072499, 9248026, 12144998, 18496052, 23120065, 24289996, 30362495, 36992104, 46240130, 48579992, 60724990, 92480260, 121449980, 184960520, 242899960, 504017417, 1008034834, 2016069668, 2520087085, 4032139336, 5040174170, 10080348340, 20160696680]

約数ペア:

[(1, 20160696680), (2, 10080348340), (4, 5040174170), (5, 4032139336), (8, 2520087085), (10, 2016069668), (20, 1008034834), (40, 504017417), (83, 242899960), (109, 184960520), (166, 121449980), (218, 92480260), (332, 60724990), (415, 48579992), (436, 46240130), (545, 36992104), (664, 30362495), (830, 24289996), (872, 23120065), (1090, 18496052), (1660, 12144998), (2180, 9248026), (3320, 6072499), (4360, 4624013), (9047, 2228440), (18094, 1114220), (36188, 557110), (45235, 445688), (55711, 361880), (72376, 278555), (90470, 222844), (111422, 180940)]