20187100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 46747008

約数和(自身を除く): 26559908

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 67, 92, 100, 115, 131, 134, 230, 262, 268, 335, 460, 524, 575, 655, 670, 1150, 1310, 1340, 1541, 1675, 2300, 2620, 3013, 3082, 3275, 3350, 6026, 6164, 6550, 6700, 7705, 8777, 12052, 13100, 15065, 15410, 17554, 30130, 30820, 35108, 38525, 43885, 60260, 75325, 77050, 87770, 150650, 154100, 175540, 201871, 219425, 301300, 403742, 438850, 807484, 877700, 1009355, 2018710, 4037420, 5046775, 10093550, 20187100]

約数ペア:

[(1, 20187100), (2, 10093550), (4, 5046775), (5, 4037420), (10, 2018710), (20, 1009355), (23, 877700), (25, 807484), (46, 438850), (50, 403742), (67, 301300), (92, 219425), (100, 201871), (115, 175540), (131, 154100), (134, 150650), (230, 87770), (262, 77050), (268, 75325), (335, 60260), (460, 43885), (524, 38525), (575, 35108), (655, 30820), (670, 30130), (1150, 17554), (1310, 15410), (1340, 15065), (1541, 13100), (1675, 12052), (2300, 8777), (2620, 7705), (3013, 6700), (3082, 6550), (3275, 6164), (3350, 6026)]