20802471942

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{339943}}^1$

素因数の和:340033

約数の個数: 64

約数和(自身を含む): 50126782464

約数和(自身を除く): 29324310522

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 47, 62, 93, 94, 141, 186, 217, 282, 329, 434, 651, 658, 987, 1302, 1457, 1974, 2914, 4371, 8742, 10199, 20398, 30597, 61194, 339943, 679886, 1019829, 2039658, 2379601, 4759202, 7138803, 10538233, 14277606, 15977321, 21076466, 31614699, 31954642, 47931963, 63229398, 73767631, 95863926, 111841247, 147535262, 221302893, 223682494, 335523741, 442605786, 495296951, 671047482, 990593902, 1485890853, 2971781706, 3467078657, 6934157314, 10401235971, 20802471942]

約数ペア:

[(1, 20802471942), (2, 10401235971), (3, 6934157314), (6, 3467078657), (7, 2971781706), (14, 1485890853), (21, 990593902), (31, 671047482), (42, 495296951), (47, 442605786), (62, 335523741), (93, 223682494), (94, 221302893), (141, 147535262), (186, 111841247), (217, 95863926), (282, 73767631), (329, 63229398), (434, 47931963), (651, 31954642), (658, 31614699), (987, 21076466), (1302, 15977321), (1457, 14277606), (1974, 10538233), (2914, 7138803), (4371, 4759202), (8742, 2379601), (10199, 2039658), (20398, 1019829), (30597, 679886), (61194, 339943)]