20950650

素因数分解:

$2^1\times 3^4\times 5^2\times 7^1\times {\mathrm{739}}^1$

素因数の和:770

約数の個数: 120

約数和(自身を含む): 66617760

約数和(自身を除く): 45667110

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 81, 90, 105, 126, 135, 150, 162, 175, 189, 210, 225, 270, 315, 350, 378, 405, 450, 525, 567, 630, 675, 739, 810, 945, 1050, 1134, 1350, 1478, 1575, 1890, 2025, 2217, 2835, 3150, 3695, 4050, 4434, 4725, 5173, 5670, 6651, 7390, 9450, 10346, 11085, 13302, 14175, 15519, 18475, 19953, 22170, 25865, 28350, 31038, 33255, 36950, 39906, 46557, 51730, 55425, 59859, 66510, 77595, 93114, 99765, 110850, 119718, 129325, 139671, 155190, 166275, 199530, 232785, 258650, 279342, 299295, 332550, 387975, 419013, 465570, 498825, 598590, 698355, 775950, 838026, 997650, 1163925, 1396710, 1496475, 2095065, 2327850, 2992950, 3491775, 4190130, 6983550, 10475325, 20950650]

約数ペア:

[(1, 20950650), (2, 10475325), (3, 6983550), (5, 4190130), (6, 3491775), (7, 2992950), (9, 2327850), (10, 2095065), (14, 1496475), (15, 1396710), (18, 1163925), (21, 997650), (25, 838026), (27, 775950), (30, 698355), (35, 598590), (42, 498825), (45, 465570), (50, 419013), (54, 387975), (63, 332550), (70, 299295), (75, 279342), (81, 258650), (90, 232785), (105, 199530), (126, 166275), (135, 155190), (150, 139671), (162, 129325), (175, 119718), (189, 110850), (210, 99765), (225, 93114), (270, 77595), (315, 66510), (350, 59859), (378, 55425), (405, 51730), (450, 46557), (525, 39906), (567, 36950), (630, 33255), (675, 31038), (739, 28350), (810, 25865), (945, 22170), (1050, 19953), (1134, 18475), (1350, 15519), (1478, 14175), (1575, 13302), (1890, 11085), (2025, 10346), (2217, 9450), (2835, 7390), (3150, 6651), (3695, 5670), (4050, 5173), (4434, 4725)]