20538300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 59885056

約数和(自身を除く): 39346756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 223, 300, 307, 446, 614, 669, 892, 921, 1115, 1228, 1338, 1535, 1842, 2230, 2676, 3070, 3345, 3684, 4460, 4605, 5575, 6140, 6690, 7675, 9210, 11150, 13380, 15350, 16725, 18420, 22300, 23025, 30700, 33450, 46050, 66900, 68461, 92100, 136922, 205383, 273844, 342305, 410766, 684610, 821532, 1026915, 1369220, 1711525, 2053830, 3423050, 4107660, 5134575, 6846100, 10269150, 20538300]

約数ペア:

[(1, 20538300), (2, 10269150), (3, 6846100), (4, 5134575), (5, 4107660), (6, 3423050), (10, 2053830), (12, 1711525), (15, 1369220), (20, 1026915), (25, 821532), (30, 684610), (50, 410766), (60, 342305), (75, 273844), (100, 205383), (150, 136922), (223, 92100), (300, 68461), (307, 66900), (446, 46050), (614, 33450), (669, 30700), (892, 23025), (921, 22300), (1115, 18420), (1228, 16725), (1338, 15350), (1535, 13380), (1842, 11150), (2230, 9210), (2676, 7675), (3070, 6690), (3345, 6140), (3684, 5575), (4460, 4605)]