20114212940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1\times {\mathrm{40343}}^1$

素因数の和:40706

約数の個数: 48

約数和(自身を含む): 42842423232

約数和(自身を除く): 22728210292

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 257, 388, 485, 514, 970, 1028, 1285, 1940, 2570, 5140, 24929, 40343, 49858, 80686, 99716, 124645, 161372, 201715, 249290, 403430, 498580, 806860, 3913271, 7826542, 10368151, 15653084, 19566355, 20736302, 39132710, 41472604, 51840755, 78265420, 103681510, 207363020, 1005710647, 2011421294, 4022842588, 5028553235, 10057106470, 20114212940]

約数ペア:

[(1, 20114212940), (2, 10057106470), (4, 5028553235), (5, 4022842588), (10, 2011421294), (20, 1005710647), (97, 207363020), (194, 103681510), (257, 78265420), (388, 51840755), (485, 41472604), (514, 39132710), (970, 20736302), (1028, 19566355), (1285, 15653084), (1940, 10368151), (2570, 7826542), (5140, 3913271), (24929, 806860), (40343, 498580), (49858, 403430), (80686, 249290), (99716, 201715), (124645, 161372)]