20503350

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:331

約数の個数: 144

約数和(自身を含む): 65924352

約数和(自身を除く): 45421002

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 25, 30, 35, 42, 45, 46, 50, 63, 69, 70, 75, 90, 105, 115, 126, 138, 150, 161, 175, 207, 210, 225, 230, 283, 315, 322, 345, 350, 414, 450, 483, 525, 566, 575, 630, 690, 805, 849, 966, 1035, 1050, 1150, 1415, 1449, 1575, 1610, 1698, 1725, 1981, 2070, 2415, 2547, 2830, 2898, 3150, 3450, 3962, 4025, 4245, 4830, 5094, 5175, 5943, 6509, 7075, 7245, 8050, 8490, 9905, 10350, 11886, 12075, 12735, 13018, 14150, 14490, 17829, 19527, 19810, 21225, 24150, 25470, 29715, 32545, 35658, 36225, 39054, 42450, 45563, 49525, 58581, 59430, 63675, 65090, 72450, 89145, 91126, 97635, 99050, 117162, 127350, 136689, 148575, 162725, 178290, 195270, 227815, 273378, 292905, 297150, 325450, 410067, 445725, 455630, 488175, 585810, 683445, 820134, 891450, 976350, 1139075, 1366890, 1464525, 2050335, 2278150, 2929050, 3417225, 4100670, 6834450, 10251675, 20503350]

約数ペア:

[(1, 20503350), (2, 10251675), (3, 6834450), (5, 4100670), (6, 3417225), (7, 2929050), (9, 2278150), (10, 2050335), (14, 1464525), (15, 1366890), (18, 1139075), (21, 976350), (23, 891450), (25, 820134), (30, 683445), (35, 585810), (42, 488175), (45, 455630), (46, 445725), (50, 410067), (63, 325450), (69, 297150), (70, 292905), (75, 273378), (90, 227815), (105, 195270), (115, 178290), (126, 162725), (138, 148575), (150, 136689), (161, 127350), (175, 117162), (207, 99050), (210, 97635), (225, 91126), (230, 89145), (283, 72450), (315, 65090), (322, 63675), (345, 59430), (350, 58581), (414, 49525), (450, 45563), (483, 42450), (525, 39054), (566, 36225), (575, 35658), (630, 32545), (690, 29715), (805, 25470), (849, 24150), (966, 21225), (1035, 19810), (1050, 19527), (1150, 17829), (1415, 14490), (1449, 14150), (1575, 13018), (1610, 12735), (1698, 12075), (1725, 11886), (1981, 10350), (2070, 9905), (2415, 8490), (2547, 8050), (2830, 7245), (2898, 7075), (3150, 6509), (3450, 5943), (3962, 5175), (4025, 5094), (4245, 4830)]