20097360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:393

約数の個数: 120

約数和(自身を含む): 68400384

約数和(自身を除く): 48303024

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 103, 120, 144, 180, 206, 240, 271, 309, 360, 412, 515, 542, 618, 720, 813, 824, 927, 1030, 1084, 1236, 1355, 1545, 1626, 1648, 1854, 2060, 2168, 2439, 2472, 2710, 3090, 3252, 3708, 4065, 4120, 4336, 4635, 4878, 4944, 5420, 6180, 6504, 7416, 8130, 8240, 9270, 9756, 10840, 12195, 12360, 13008, 14832, 16260, 18540, 19512, 21680, 24390, 24720, 27913, 32520, 37080, 39024, 48780, 55826, 65040, 74160, 83739, 97560, 111652, 139565, 167478, 195120, 223304, 251217, 279130, 334956, 418695, 446608, 502434, 558260, 669912, 837390, 1004868, 1116520, 1256085, 1339824, 1674780, 2009736, 2233040, 2512170, 3349560, 4019472, 5024340, 6699120, 10048680, 20097360]

約数ペア:

[(1, 20097360), (2, 10048680), (3, 6699120), (4, 5024340), (5, 4019472), (6, 3349560), (8, 2512170), (9, 2233040), (10, 2009736), (12, 1674780), (15, 1339824), (16, 1256085), (18, 1116520), (20, 1004868), (24, 837390), (30, 669912), (36, 558260), (40, 502434), (45, 446608), (48, 418695), (60, 334956), (72, 279130), (80, 251217), (90, 223304), (103, 195120), (120, 167478), (144, 139565), (180, 111652), (206, 97560), (240, 83739), (271, 74160), (309, 65040), (360, 55826), (412, 48780), (515, 39024), (542, 37080), (618, 32520), (720, 27913), (813, 24720), (824, 24390), (927, 21680), (1030, 19512), (1084, 18540), (1236, 16260), (1355, 14832), (1545, 13008), (1626, 12360), (1648, 12195), (1854, 10840), (2060, 9756), (2168, 9270), (2439, 8240), (2472, 8130), (2710, 7416), (3090, 6504), (3252, 6180), (3708, 5420), (4065, 4944), (4120, 4878), (4336, 4635)]