20647510184

素因数分解:

$2^3\times 7^1\times {\mathrm{239}}^1\times {\mathrm{503}}^1\times {\mathrm{3067}}^1$

素因数の和:3822

約数の個数: 64

約数和(自身を含む): 44532633600

約数和(自身を除く): 23885123416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 239, 478, 503, 956, 1006, 1673, 1912, 2012, 3067, 3346, 3521, 4024, 6134, 6692, 7042, 12268, 13384, 14084, 21469, 24536, 28168, 42938, 85876, 120217, 171752, 240434, 480868, 733013, 841519, 961736, 1466026, 1542701, 1683038, 2932052, 3085402, 3366076, 5131091, 5864104, 6170804, 6732152, 10262182, 10798907, 12341608, 20524364, 21597814, 41048728, 43195628, 86391256, 368705539, 737411078, 1474822156, 2580938773, 2949644312, 5161877546, 10323755092, 20647510184]

約数ペア:

[(1, 20647510184), (2, 10323755092), (4, 5161877546), (7, 2949644312), (8, 2580938773), (14, 1474822156), (28, 737411078), (56, 368705539), (239, 86391256), (478, 43195628), (503, 41048728), (956, 21597814), (1006, 20524364), (1673, 12341608), (1912, 10798907), (2012, 10262182), (3067, 6732152), (3346, 6170804), (3521, 5864104), (4024, 5131091), (6134, 3366076), (6692, 3085402), (7042, 2932052), (12268, 1683038), (13384, 1542701), (14084, 1466026), (21469, 961736), (24536, 841519), (28168, 733013), (42938, 480868), (85876, 240434), (120217, 171752)]