20828261994

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:564

約数の個数: 128

約数和(自身を含む): 45798359040

約数和(自身を除く): 24970097046

約数列:

[1, 2, 3, 6, 17, 34, 51, 67, 79, 102, 134, 158, 173, 201, 223, 237, 346, 402, 446, 474, 519, 669, 1038, 1139, 1338, 1343, 2278, 2686, 2941, 3417, 3791, 4029, 5293, 5882, 6834, 7582, 8058, 8823, 10586, 11373, 11591, 13667, 14941, 15879, 17617, 17646, 22746, 23182, 27334, 29882, 31758, 34773, 35234, 38579, 41001, 44823, 52851, 69546, 77158, 82002, 89646, 89981, 105702, 115737, 179962, 197047, 231474, 232339, 253997, 269943, 299489, 394094, 464678, 507994, 539886, 591141, 598978, 655843, 697017, 761991, 898467, 915689, 1180339, 1182282, 1311686, 1394034, 1523982, 1796934, 1831378, 1967529, 2360678, 2584793, 2747067, 3047741, 3541017, 3935058, 5169586, 5494134, 6095482, 7082034, 7754379, 9143223, 15508758, 15566713, 18286446, 20065763, 31133426, 40131526, 43941481, 46700139, 51811597, 60197289, 87882962, 93400278, 103623194, 120394578, 131824443, 155434791, 204198647, 263648886, 310869582, 408397294, 612595941, 1225191882, 3471376999, 6942753998, 10414130997, 20828261994]

約数ペア:

[(1, 20828261994), (2, 10414130997), (3, 6942753998), (6, 3471376999), (17, 1225191882), (34, 612595941), (51, 408397294), (67, 310869582), (79, 263648886), (102, 204198647), (134, 155434791), (158, 131824443), (173, 120394578), (201, 103623194), (223, 93400278), (237, 87882962), (346, 60197289), (402, 51811597), (446, 46700139), (474, 43941481), (519, 40131526), (669, 31133426), (1038, 20065763), (1139, 18286446), (1338, 15566713), (1343, 15508758), (2278, 9143223), (2686, 7754379), (2941, 7082034), (3417, 6095482), (3791, 5494134), (4029, 5169586), (5293, 3935058), (5882, 3541017), (6834, 3047741), (7582, 2747067), (8058, 2584793), (8823, 2360678), (10586, 1967529), (11373, 1831378), (11591, 1796934), (13667, 1523982), (14941, 1394034), (15879, 1311686), (17617, 1182282), (17646, 1180339), (22746, 915689), (23182, 898467), (27334, 761991), (29882, 697017), (31758, 655843), (34773, 598978), (35234, 591141), (38579, 539886), (41001, 507994), (44823, 464678), (52851, 394094), (69546, 299489), (77158, 269943), (82002, 253997), (89646, 232339), (89981, 231474), (105702, 197047), (115737, 179962)]