20135517640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{17167}}^1$

素因数の和:17315

約数の個数: 128

約数和(自身を含む): 53399347200

約数和(自身を除く): 33263829560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 71, 118, 140, 142, 236, 280, 284, 295, 355, 413, 472, 497, 568, 590, 710, 826, 994, 1180, 1420, 1652, 1988, 2065, 2360, 2485, 2840, 3304, 3976, 4130, 4189, 4970, 8260, 8378, 9940, 16520, 16756, 17167, 19880, 20945, 29323, 33512, 34334, 41890, 58646, 68668, 83780, 85835, 117292, 120169, 137336, 146615, 167560, 171670, 234584, 240338, 293230, 343340, 480676, 586460, 600845, 686680, 961352, 1012853, 1172920, 1201690, 1218857, 2025706, 2403380, 2437714, 4051412, 4806760, 4875428, 5064265, 6094285, 7089971, 8102824, 8531999, 9750856, 10128530, 12188570, 14179942, 17063998, 20257060, 24377140, 28359884, 34127996, 35449855, 40514120, 42659995, 48754280, 56719768, 68255992, 70899710, 71912563, 85319990, 141799420, 143825126, 170639980, 283598840, 287650252, 341279960, 359562815, 503387941, 575300504, 719125630, 1006775882, 1438251260, 2013551764, 2516939705, 2876502520, 4027103528, 5033879410, 10067758820, 20135517640]

約数ペア:

[(1, 20135517640), (2, 10067758820), (4, 5033879410), (5, 4027103528), (7, 2876502520), (8, 2516939705), (10, 2013551764), (14, 1438251260), (20, 1006775882), (28, 719125630), (35, 575300504), (40, 503387941), (56, 359562815), (59, 341279960), (70, 287650252), (71, 283598840), (118, 170639980), (140, 143825126), (142, 141799420), (236, 85319990), (280, 71912563), (284, 70899710), (295, 68255992), (355, 56719768), (413, 48754280), (472, 42659995), (497, 40514120), (568, 35449855), (590, 34127996), (710, 28359884), (826, 24377140), (994, 20257060), (1180, 17063998), (1420, 14179942), (1652, 12188570), (1988, 10128530), (2065, 9750856), (2360, 8531999), (2485, 8102824), (2840, 7089971), (3304, 6094285), (3976, 5064265), (4130, 4875428), (4189, 4806760), (4970, 4051412), (8260, 2437714), (8378, 2403380), (9940, 2025706), (16520, 1218857), (16756, 1201690), (17167, 1172920), (19880, 1012853), (20945, 961352), (29323, 686680), (33512, 600845), (34334, 586460), (41890, 480676), (58646, 343340), (68668, 293230), (83780, 240338), (85835, 234584), (117292, 171670), (120169, 167560), (137336, 146615)]