20163231252

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{661}}^1\times {\mathrm{22901}}^1$

素因数の和:23609

約数の個数: 72

約数和(自身を含む): 52427166792

約数和(自身を除く): 32263935540

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 661, 666, 1322, 1332, 1983, 2644, 3966, 5949, 7932, 11898, 22901, 23796, 24457, 45802, 48914, 68703, 73371, 91604, 97828, 137406, 146742, 206109, 220113, 274812, 293484, 412218, 440226, 824436, 847337, 880452, 1694674, 2542011, 3389348, 5084022, 7626033, 10168044, 15137561, 15252066, 30275122, 30504132, 45412683, 60550244, 90825366, 136238049, 181650732, 272476098, 544952196, 560089757, 1120179514, 1680269271, 2240359028, 3360538542, 5040807813, 6721077084, 10081615626, 20163231252]

約数ペア:

[(1, 20163231252), (2, 10081615626), (3, 6721077084), (4, 5040807813), (6, 3360538542), (9, 2240359028), (12, 1680269271), (18, 1120179514), (36, 560089757), (37, 544952196), (74, 272476098), (111, 181650732), (148, 136238049), (222, 90825366), (333, 60550244), (444, 45412683), (661, 30504132), (666, 30275122), (1322, 15252066), (1332, 15137561), (1983, 10168044), (2644, 7626033), (3966, 5084022), (5949, 3389348), (7932, 2542011), (11898, 1694674), (22901, 880452), (23796, 847337), (24457, 824436), (45802, 440226), (48914, 412218), (68703, 293484), (73371, 274812), (91604, 220113), (97828, 206109), (137406, 146742)]