20836464

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:139

約数の個数: 160

約数和(自身を含む): 64757760

約数和(自身を除く): 43921296

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 31, 33, 38, 44, 48, 57, 62, 66, 67, 76, 88, 93, 114, 124, 132, 134, 152, 176, 186, 201, 209, 228, 248, 264, 268, 304, 341, 372, 402, 418, 456, 496, 528, 536, 589, 627, 682, 737, 744, 804, 836, 912, 1023, 1072, 1178, 1254, 1273, 1364, 1474, 1488, 1608, 1672, 1767, 2046, 2077, 2211, 2356, 2508, 2546, 2728, 2948, 3216, 3344, 3534, 3819, 4092, 4154, 4422, 4712, 5016, 5092, 5456, 5896, 6231, 6479, 7068, 7638, 8184, 8308, 8844, 9424, 10032, 10184, 11792, 12462, 12958, 14003, 14136, 15276, 16368, 16616, 17688, 19437, 20368, 22847, 24924, 25916, 28006, 28272, 30552, 33232, 35376, 38874, 39463, 42009, 45694, 49848, 51832, 56012, 61104, 68541, 77748, 78926, 84018, 91388, 99696, 103664, 112024, 118389, 137082, 155496, 157852, 168036, 182776, 224048, 236778, 274164, 310992, 315704, 336072, 365552, 434093, 473556, 548328, 631408, 672144, 868186, 947112, 1096656, 1302279, 1736372, 1894224, 2604558, 3472744, 5209116, 6945488, 10418232, 20836464]

約数ペア:

[(1, 20836464), (2, 10418232), (3, 6945488), (4, 5209116), (6, 3472744), (8, 2604558), (11, 1894224), (12, 1736372), (16, 1302279), (19, 1096656), (22, 947112), (24, 868186), (31, 672144), (33, 631408), (38, 548328), (44, 473556), (48, 434093), (57, 365552), (62, 336072), (66, 315704), (67, 310992), (76, 274164), (88, 236778), (93, 224048), (114, 182776), (124, 168036), (132, 157852), (134, 155496), (152, 137082), (176, 118389), (186, 112024), (201, 103664), (209, 99696), (228, 91388), (248, 84018), (264, 78926), (268, 77748), (304, 68541), (341, 61104), (372, 56012), (402, 51832), (418, 49848), (456, 45694), (496, 42009), (528, 39463), (536, 38874), (589, 35376), (627, 33232), (682, 30552), (737, 28272), (744, 28006), (804, 25916), (836, 24924), (912, 22847), (1023, 20368), (1072, 19437), (1178, 17688), (1254, 16616), (1273, 16368), (1364, 15276), (1474, 14136), (1488, 14003), (1608, 12958), (1672, 12462), (1767, 11792), (2046, 10184), (2077, 10032), (2211, 9424), (2356, 8844), (2508, 8308), (2546, 8184), (2728, 7638), (2948, 7068), (3216, 6479), (3344, 6231), (3534, 5896), (3819, 5456), (4092, 5092), (4154, 5016), (4422, 4712)]