20571084

素因数分解:

$2^2\times 3^4\times {\mathrm{173}}^1\times {\mathrm{367}}^1$

素因数の和:556

約数の個数: 60

約数和(自身を含む): 54235104

約数和(自身を除く): 33664020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 173, 324, 346, 367, 519, 692, 734, 1038, 1101, 1468, 1557, 2076, 2202, 3114, 3303, 4404, 4671, 6228, 6606, 9342, 9909, 13212, 14013, 18684, 19818, 28026, 29727, 39636, 56052, 59454, 63491, 118908, 126982, 190473, 253964, 380946, 571419, 761892, 1142838, 1714257, 2285676, 3428514, 5142771, 6857028, 10285542, 20571084]

約数ペア:

[(1, 20571084), (2, 10285542), (3, 6857028), (4, 5142771), (6, 3428514), (9, 2285676), (12, 1714257), (18, 1142838), (27, 761892), (36, 571419), (54, 380946), (81, 253964), (108, 190473), (162, 126982), (173, 118908), (324, 63491), (346, 59454), (367, 56052), (519, 39636), (692, 29727), (734, 28026), (1038, 19818), (1101, 18684), (1468, 14013), (1557, 13212), (2076, 9909), (2202, 9342), (3114, 6606), (3303, 6228), (4404, 4671)]