20772290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{509}}^1$

素因数の和:587

約数の個数: 64

約数和(自身を含む): 47589120

約数和(自身を除く): 26816830

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 53, 55, 70, 77, 106, 110, 154, 265, 371, 385, 509, 530, 583, 742, 770, 1018, 1166, 1855, 2545, 2915, 3563, 3710, 4081, 5090, 5599, 5830, 7126, 8162, 11198, 17815, 20405, 26977, 27995, 35630, 39193, 40810, 53954, 55990, 78386, 134885, 188839, 195965, 269770, 296747, 377678, 391930, 593494, 944195, 1483735, 1888390, 2077229, 2967470, 4154458, 10386145, 20772290]

約数ペア:

[(1, 20772290), (2, 10386145), (5, 4154458), (7, 2967470), (10, 2077229), (11, 1888390), (14, 1483735), (22, 944195), (35, 593494), (53, 391930), (55, 377678), (70, 296747), (77, 269770), (106, 195965), (110, 188839), (154, 134885), (265, 78386), (371, 55990), (385, 53954), (509, 40810), (530, 39193), (583, 35630), (742, 27995), (770, 26977), (1018, 20405), (1166, 17815), (1855, 11198), (2545, 8162), (2915, 7126), (3563, 5830), (3710, 5599), (4081, 5090)]