20366921080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1\times {\mathrm{1543}}^1$

素因数の和:1925

約数の個数: 128

約数和(自身を含む): 50625907200

約数和(自身を除く): 30258986120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 131, 220, 229, 262, 440, 458, 524, 655, 916, 1048, 1145, 1310, 1441, 1543, 1832, 2290, 2519, 2620, 2882, 3086, 4580, 5038, 5240, 5764, 6172, 7205, 7715, 9160, 10076, 11528, 12344, 12595, 14410, 15430, 16973, 20152, 25190, 28820, 29999, 30860, 33946, 50380, 57640, 59998, 61720, 67892, 84865, 100760, 119996, 135784, 149995, 169730, 202133, 239992, 299990, 329989, 339460, 353347, 404266, 599980, 659978, 678920, 706694, 808532, 1010665, 1199960, 1319956, 1413388, 1617064, 1649945, 1766735, 2021330, 2223463, 2639912, 2826776, 3299890, 3533470, 3886817, 4042660, 4446926, 6599780, 7066940, 7773634, 8085320, 8893852, 11117315, 13199560, 14133880, 15547268, 17787704, 19434085, 22234630, 31094536, 38868170, 44469260, 46288457, 77736340, 88938520, 92576914, 155472680, 185153828, 231442285, 370307656, 462884570, 509173027, 925769140, 1018346054, 1851538280, 2036692108, 2545865135, 4073384216, 5091730270, 10183460540, 20366921080]

約数ペア:

[(1, 20366921080), (2, 10183460540), (4, 5091730270), (5, 4073384216), (8, 2545865135), (10, 2036692108), (11, 1851538280), (20, 1018346054), (22, 925769140), (40, 509173027), (44, 462884570), (55, 370307656), (88, 231442285), (110, 185153828), (131, 155472680), (220, 92576914), (229, 88938520), (262, 77736340), (440, 46288457), (458, 44469260), (524, 38868170), (655, 31094536), (916, 22234630), (1048, 19434085), (1145, 17787704), (1310, 15547268), (1441, 14133880), (1543, 13199560), (1832, 11117315), (2290, 8893852), (2519, 8085320), (2620, 7773634), (2882, 7066940), (3086, 6599780), (4580, 4446926), (5038, 4042660), (5240, 3886817), (5764, 3533470), (6172, 3299890), (7205, 2826776), (7715, 2639912), (9160, 2223463), (10076, 2021330), (11528, 1766735), (12344, 1649945), (12595, 1617064), (14410, 1413388), (15430, 1319956), (16973, 1199960), (20152, 1010665), (25190, 808532), (28820, 706694), (29999, 678920), (30860, 659978), (33946, 599980), (50380, 404266), (57640, 353347), (59998, 339460), (61720, 329989), (67892, 299990), (84865, 239992), (100760, 202133), (119996, 169730), (135784, 149995)]