20736040988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{176213}}^1$

素因数の和:176334

約数の個数: 48

約数和(自身を含む): 40892925696

約数和(自身を除く): 20156884708

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 73, 124, 146, 292, 403, 806, 949, 1612, 1898, 2263, 3796, 4526, 9052, 29419, 58838, 117676, 176213, 352426, 704852, 2290769, 4581538, 5462603, 9163076, 10925206, 12863549, 21850412, 25727098, 51454196, 71013839, 142027678, 167226137, 284055356, 334452274, 398770019, 668904548, 797540038, 1595080076, 5184010247, 10368020494, 20736040988]

約数ペア:

[(1, 20736040988), (2, 10368020494), (4, 5184010247), (13, 1595080076), (26, 797540038), (31, 668904548), (52, 398770019), (62, 334452274), (73, 284055356), (124, 167226137), (146, 142027678), (292, 71013839), (403, 51454196), (806, 25727098), (949, 21850412), (1612, 12863549), (1898, 10925206), (2263, 9163076), (3796, 5462603), (4526, 4581538), (9052, 2290769), (29419, 704852), (58838, 352426), (117676, 176213)]