20218678088

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{967}}^1$

素因数の和:1499

約数の個数: 128

約数和(自身を含む): 46817126400

約数和(自身を除く): 26598448312

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 43, 56, 76, 86, 133, 152, 172, 266, 301, 344, 457, 532, 602, 817, 914, 967, 1064, 1204, 1634, 1828, 1934, 2408, 3199, 3268, 3656, 3868, 5719, 6398, 6536, 6769, 7736, 8683, 11438, 12796, 13538, 17366, 18373, 19651, 22876, 25592, 27076, 34732, 36746, 39302, 41581, 45752, 54152, 60781, 69464, 73492, 78604, 83162, 121562, 128611, 137557, 146984, 157208, 166324, 243124, 257222, 275114, 291067, 332648, 373369, 441919, 486248, 514444, 550228, 582134, 746738, 790039, 883838, 1028888, 1100456, 1164268, 1493476, 1580078, 1767676, 2328536, 2613583, 2986952, 3093433, 3160156, 3535352, 5227166, 5530273, 6186866, 6320312, 8396461, 10454332, 11060546, 12373732, 16792922, 19002517, 20908664, 22121092, 24747464, 33585844, 38005034, 44242184, 58775227, 67171688, 76010068, 117550454, 133017619, 152020136, 235100908, 266035238, 361047823, 470201816, 532070476, 722095646, 1064140952, 1444191292, 2527334761, 2888382584, 5054669522, 10109339044, 20218678088]

約数ペア:

[(1, 20218678088), (2, 10109339044), (4, 5054669522), (7, 2888382584), (8, 2527334761), (14, 1444191292), (19, 1064140952), (28, 722095646), (38, 532070476), (43, 470201816), (56, 361047823), (76, 266035238), (86, 235100908), (133, 152020136), (152, 133017619), (172, 117550454), (266, 76010068), (301, 67171688), (344, 58775227), (457, 44242184), (532, 38005034), (602, 33585844), (817, 24747464), (914, 22121092), (967, 20908664), (1064, 19002517), (1204, 16792922), (1634, 12373732), (1828, 11060546), (1934, 10454332), (2408, 8396461), (3199, 6320312), (3268, 6186866), (3656, 5530273), (3868, 5227166), (5719, 3535352), (6398, 3160156), (6536, 3093433), (6769, 2986952), (7736, 2613583), (8683, 2328536), (11438, 1767676), (12796, 1580078), (13538, 1493476), (17366, 1164268), (18373, 1100456), (19651, 1028888), (22876, 883838), (25592, 790039), (27076, 746738), (34732, 582134), (36746, 550228), (39302, 514444), (41581, 486248), (45752, 441919), (54152, 373369), (60781, 332648), (69464, 291067), (73492, 275114), (78604, 257222), (83162, 243124), (121562, 166324), (128611, 157208), (137557, 146984)]