22161920

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{787}}^1$

素因数の和:821

約数の個数: 80

約数和(自身を含む): 58040928

約数和(自身を除く): 35879008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 787, 880, 1280, 1408, 1574, 1760, 2560, 2816, 3148, 3520, 3935, 5632, 6296, 7040, 7870, 8657, 12592, 14080, 15740, 17314, 25184, 28160, 31480, 34628, 43285, 50368, 62960, 69256, 86570, 100736, 125920, 138512, 173140, 201472, 251840, 277024, 346280, 402944, 503680, 554048, 692560, 1007360, 1108096, 1385120, 2014720, 2216192, 2770240, 4432384, 5540480, 11080960, 22161920]

約数ペア:

[(1, 22161920), (2, 11080960), (4, 5540480), (5, 4432384), (8, 2770240), (10, 2216192), (11, 2014720), (16, 1385120), (20, 1108096), (22, 1007360), (32, 692560), (40, 554048), (44, 503680), (55, 402944), (64, 346280), (80, 277024), (88, 251840), (110, 201472), (128, 173140), (160, 138512), (176, 125920), (220, 100736), (256, 86570), (320, 69256), (352, 62960), (440, 50368), (512, 43285), (640, 34628), (704, 31480), (787, 28160), (880, 25184), (1280, 17314), (1408, 15740), (1574, 14080), (1760, 12592), (2560, 8657), (2816, 7870), (3148, 7040), (3520, 6296), (3935, 5632)]