20974680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19421}}^1$

素因数の和:19441

約数の個数: 64

約数和(自身を含む): 69919200

約数和(自身を除く): 48944520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19421, 38842, 58263, 77684, 97105, 116526, 155368, 174789, 194210, 233052, 291315, 349578, 388420, 466104, 524367, 582630, 699156, 776840, 873945, 1048734, 1165260, 1398312, 1747890, 2097468, 2330520, 2621835, 3495780, 4194936, 5243670, 6991560, 10487340, 20974680]

約数ペア:

[(1, 20974680), (2, 10487340), (3, 6991560), (4, 5243670), (5, 4194936), (6, 3495780), (8, 2621835), (9, 2330520), (10, 2097468), (12, 1747890), (15, 1398312), (18, 1165260), (20, 1048734), (24, 873945), (27, 776840), (30, 699156), (36, 582630), (40, 524367), (45, 466104), (54, 388420), (60, 349578), (72, 291315), (90, 233052), (108, 194210), (120, 174789), (135, 155368), (180, 116526), (216, 97105), (270, 77684), (360, 58263), (540, 38842), (1080, 19421)]