20154140692

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1\times {\mathrm{22943}}^1$

素因数の和:23320

約数の個数: 48

約数和(自身を含む): 40781583360

約数和(自身を除く): 20627442668

約数列:

[1, 2, 4, 7, 14, 28, 137, 229, 274, 458, 548, 916, 959, 1603, 1918, 3206, 3836, 6412, 22943, 31373, 45886, 62746, 91772, 125492, 160601, 219611, 321202, 439222, 642404, 878444, 3143191, 5253947, 6286382, 10507894, 12572764, 21015788, 22002337, 36777629, 44004674, 73555258, 88009348, 147110516, 719790739, 1439581478, 2879162956, 5038535173, 10077070346, 20154140692]

約数ペア:

[(1, 20154140692), (2, 10077070346), (4, 5038535173), (7, 2879162956), (14, 1439581478), (28, 719790739), (137, 147110516), (229, 88009348), (274, 73555258), (458, 44004674), (548, 36777629), (916, 22002337), (959, 21015788), (1603, 12572764), (1918, 10507894), (3206, 6286382), (3836, 5253947), (6412, 3143191), (22943, 878444), (31373, 642404), (45886, 439222), (62746, 321202), (91772, 219611), (125492, 160601)]