20147409900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{347}}^1\times {\mathrm{64513}}^1$

素因数の和:64880

約数の個数: 108

約数和(自身を含む): 63333909912

約数和(自身を除く): 43186500012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 347, 450, 694, 900, 1041, 1388, 1735, 2082, 3123, 3470, 4164, 5205, 6246, 6940, 8675, 10410, 12492, 15615, 17350, 20820, 26025, 31230, 34700, 52050, 62460, 64513, 78075, 104100, 129026, 156150, 193539, 258052, 312300, 322565, 387078, 580617, 645130, 774156, 967695, 1161234, 1290260, 1612825, 1935390, 2322468, 2903085, 3225650, 3870780, 4838475, 5806170, 6451300, 9676950, 11612340, 14515425, 19353900, 22386011, 29030850, 44772022, 58061700, 67158033, 89544044, 111930055, 134316066, 201474099, 223860110, 268632132, 335790165, 402948198, 447720220, 559650275, 671580330, 805896396, 1007370495, 1119300550, 1343160660, 1678950825, 2014740990, 2238601100, 3357901650, 4029481980, 5036852475, 6715803300, 10073704950, 20147409900]

約数ペア:

[(1, 20147409900), (2, 10073704950), (3, 6715803300), (4, 5036852475), (5, 4029481980), (6, 3357901650), (9, 2238601100), (10, 2014740990), (12, 1678950825), (15, 1343160660), (18, 1119300550), (20, 1007370495), (25, 805896396), (30, 671580330), (36, 559650275), (45, 447720220), (50, 402948198), (60, 335790165), (75, 268632132), (90, 223860110), (100, 201474099), (150, 134316066), (180, 111930055), (225, 89544044), (300, 67158033), (347, 58061700), (450, 44772022), (694, 29030850), (900, 22386011), (1041, 19353900), (1388, 14515425), (1735, 11612340), (2082, 9676950), (3123, 6451300), (3470, 5806170), (4164, 4838475), (5205, 3870780), (6246, 3225650), (6940, 2903085), (8675, 2322468), (10410, 1935390), (12492, 1612825), (15615, 1290260), (17350, 1161234), (20820, 967695), (26025, 774156), (31230, 645130), (34700, 580617), (52050, 387078), (62460, 322565), (64513, 312300), (78075, 258052), (104100, 193539), (129026, 156150)]