20455536

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:334

約数の個数: 80

約数和(自身を含む): 55710720

約数和(自身を除く): 35255184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 59, 62, 93, 118, 124, 177, 186, 233, 236, 248, 354, 372, 466, 472, 496, 699, 708, 744, 932, 944, 1398, 1416, 1488, 1829, 1864, 2796, 2832, 3658, 3728, 5487, 5592, 7223, 7316, 10974, 11184, 13747, 14446, 14632, 21669, 21948, 27494, 28892, 29264, 41241, 43338, 43896, 54988, 57784, 82482, 86676, 87792, 109976, 115568, 164964, 173352, 219952, 329928, 346704, 426157, 659856, 852314, 1278471, 1704628, 2556942, 3409256, 5113884, 6818512, 10227768, 20455536]

約数ペア:

[(1, 20455536), (2, 10227768), (3, 6818512), (4, 5113884), (6, 3409256), (8, 2556942), (12, 1704628), (16, 1278471), (24, 852314), (31, 659856), (48, 426157), (59, 346704), (62, 329928), (93, 219952), (118, 173352), (124, 164964), (177, 115568), (186, 109976), (233, 87792), (236, 86676), (248, 82482), (354, 57784), (372, 54988), (466, 43896), (472, 43338), (496, 41241), (699, 29264), (708, 28892), (744, 27494), (932, 21948), (944, 21669), (1398, 14632), (1416, 14446), (1488, 13747), (1829, 11184), (1864, 10974), (2796, 7316), (2832, 7223), (3658, 5592), (3728, 5487)]