20806064220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{153641}}^1$

素因数の和:153751

約数の個数: 96

約数和(自身を含む): 60812732736

約数和(自身を除く): 40006668516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 61, 74, 111, 122, 148, 183, 185, 222, 244, 305, 366, 370, 444, 555, 610, 732, 740, 915, 1110, 1220, 1830, 2220, 2257, 3660, 4514, 6771, 9028, 11285, 13542, 22570, 27084, 33855, 45140, 67710, 135420, 153641, 307282, 460923, 614564, 768205, 921846, 1536410, 1843692, 2304615, 3072820, 4609230, 5684717, 9218460, 9372101, 11369434, 17054151, 18744202, 22738868, 28116303, 28423585, 34108302, 37488404, 46860505, 56232606, 56847170, 68216604, 85270755, 93721010, 112465212, 113694340, 140581515, 170541510, 187442020, 281163030, 341083020, 346767737, 562326060, 693535474, 1040303211, 1387070948, 1733838685, 2080606422, 3467677370, 4161212844, 5201516055, 6935354740, 10403032110, 20806064220]

約数ペア:

[(1, 20806064220), (2, 10403032110), (3, 6935354740), (4, 5201516055), (5, 4161212844), (6, 3467677370), (10, 2080606422), (12, 1733838685), (15, 1387070948), (20, 1040303211), (30, 693535474), (37, 562326060), (60, 346767737), (61, 341083020), (74, 281163030), (111, 187442020), (122, 170541510), (148, 140581515), (183, 113694340), (185, 112465212), (222, 93721010), (244, 85270755), (305, 68216604), (366, 56847170), (370, 56232606), (444, 46860505), (555, 37488404), (610, 34108302), (732, 28423585), (740, 28116303), (915, 22738868), (1110, 18744202), (1220, 17054151), (1830, 11369434), (2220, 9372101), (2257, 9218460), (3660, 5684717), (4514, 4609230), (6771, 3072820), (9028, 2304615), (11285, 1843692), (13542, 1536410), (22570, 921846), (27084, 768205), (33855, 614564), (45140, 460923), (67710, 307282), (135420, 153641)]