20248680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 45069720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 83, 95, 107, 114, 120, 152, 166, 190, 214, 228, 249, 285, 321, 332, 380, 415, 428, 456, 498, 535, 570, 642, 664, 760, 830, 856, 996, 1070, 1140, 1245, 1284, 1577, 1605, 1660, 1992, 2033, 2140, 2280, 2490, 2568, 3154, 3210, 3320, 4066, 4280, 4731, 4980, 6099, 6308, 6420, 7885, 8132, 8881, 9462, 9960, 10165, 12198, 12616, 12840, 15770, 16264, 17762, 18924, 20330, 23655, 24396, 26643, 30495, 31540, 35524, 37848, 40660, 44405, 47310, 48792, 53286, 60990, 63080, 71048, 81320, 88810, 94620, 106572, 121980, 133215, 168739, 177620, 189240, 213144, 243960, 266430, 337478, 355240, 506217, 532860, 674956, 843695, 1012434, 1065720, 1349912, 1687390, 2024868, 2531085, 3374780, 4049736, 5062170, 6749560, 10124340, 20248680]

約数ペア:

[(1, 20248680), (2, 10124340), (3, 6749560), (4, 5062170), (5, 4049736), (6, 3374780), (8, 2531085), (10, 2024868), (12, 1687390), (15, 1349912), (19, 1065720), (20, 1012434), (24, 843695), (30, 674956), (38, 532860), (40, 506217), (57, 355240), (60, 337478), (76, 266430), (83, 243960), (95, 213144), (107, 189240), (114, 177620), (120, 168739), (152, 133215), (166, 121980), (190, 106572), (214, 94620), (228, 88810), (249, 81320), (285, 71048), (321, 63080), (332, 60990), (380, 53286), (415, 48792), (428, 47310), (456, 44405), (498, 40660), (535, 37848), (570, 35524), (642, 31540), (664, 30495), (760, 26643), (830, 24396), (856, 23655), (996, 20330), (1070, 18924), (1140, 17762), (1245, 16264), (1284, 15770), (1577, 12840), (1605, 12616), (1660, 12198), (1992, 10165), (2033, 9960), (2140, 9462), (2280, 8881), (2490, 8132), (2568, 7885), (3154, 6420), (3210, 6308), (3320, 6099), (4066, 4980), (4280, 4731)]