20689092

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 54486432

約数和(自身を除く): 33797340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 107, 123, 131, 164, 214, 246, 262, 321, 369, 393, 428, 492, 524, 642, 738, 786, 963, 1179, 1284, 1476, 1572, 1926, 2358, 3852, 4387, 4716, 5371, 8774, 10742, 13161, 14017, 16113, 17548, 21484, 26322, 28034, 32226, 39483, 42051, 48339, 52644, 56068, 64452, 78966, 84102, 96678, 126153, 157932, 168204, 193356, 252306, 504612, 574697, 1149394, 1724091, 2298788, 3448182, 5172273, 6896364, 10344546, 20689092]

約数ペア:

[(1, 20689092), (2, 10344546), (3, 6896364), (4, 5172273), (6, 3448182), (9, 2298788), (12, 1724091), (18, 1149394), (36, 574697), (41, 504612), (82, 252306), (107, 193356), (123, 168204), (131, 157932), (164, 126153), (214, 96678), (246, 84102), (262, 78966), (321, 64452), (369, 56068), (393, 52644), (428, 48339), (492, 42051), (524, 39483), (642, 32226), (738, 28034), (786, 26322), (963, 21484), (1179, 17548), (1284, 16113), (1476, 14017), (1572, 13161), (1926, 10742), (2358, 8774), (3852, 5371), (4387, 4716)]