20170819220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1\times {\mathrm{457}}^1$

素因数の和:1137

約数の個数: 96

約数和(自身を含む): 44596742400

約数和(自身を除く): 24425923180

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 229, 230, 419, 457, 458, 460, 838, 914, 916, 1145, 1676, 1828, 2095, 2285, 2290, 4190, 4570, 4580, 5267, 8380, 9140, 9637, 10511, 10534, 19274, 21022, 21068, 26335, 38548, 42044, 48185, 52555, 52670, 95951, 96370, 104653, 105110, 105340, 191483, 191902, 192740, 209306, 210220, 382966, 383804, 418612, 479755, 523265, 765932, 957415, 959510, 1046530, 1914830, 1919020, 2093060, 2206873, 2407019, 3829660, 4404109, 4413746, 4814038, 8808218, 8827492, 9628076, 11034365, 12035095, 17616436, 22020545, 22068730, 24070190, 43849607, 44041090, 44137460, 48140380, 87699214, 88082180, 175398428, 219248035, 438496070, 876992140, 1008540961, 2017081922, 4034163844, 5042704805, 10085409610, 20170819220]

約数ペア:

[(1, 20170819220), (2, 10085409610), (4, 5042704805), (5, 4034163844), (10, 2017081922), (20, 1008540961), (23, 876992140), (46, 438496070), (92, 219248035), (115, 175398428), (229, 88082180), (230, 87699214), (419, 48140380), (457, 44137460), (458, 44041090), (460, 43849607), (838, 24070190), (914, 22068730), (916, 22020545), (1145, 17616436), (1676, 12035095), (1828, 11034365), (2095, 9628076), (2285, 8827492), (2290, 8808218), (4190, 4814038), (4570, 4413746), (4580, 4404109), (5267, 3829660), (8380, 2407019), (9140, 2206873), (9637, 2093060), (10511, 1919020), (10534, 1914830), (19274, 1046530), (21022, 959510), (21068, 957415), (26335, 765932), (38548, 523265), (42044, 479755), (48185, 418612), (52555, 383804), (52670, 382966), (95951, 210220), (96370, 209306), (104653, 192740), (105110, 191902), (105340, 191483)]