20367319040

素因数分解:

$2^{13}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26171}}^1$

素因数の和:26221

約数の個数: 112

約数和(自身を含む): 51453105120

約数和(自身を除く): 31085786080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1024, 1216, 1280, 1520, 2048, 2432, 2560, 3040, 4096, 4864, 5120, 6080, 8192, 9728, 10240, 12160, 19456, 20480, 24320, 26171, 38912, 40960, 48640, 52342, 77824, 97280, 104684, 130855, 155648, 194560, 209368, 261710, 389120, 418736, 497249, 523420, 778240, 837472, 994498, 1046840, 1674944, 1988996, 2093680, 2486245, 3349888, 3977992, 4187360, 4972490, 6699776, 7955984, 8374720, 9944980, 13399552, 15911968, 16749440, 19889960, 26799104, 31823936, 33498880, 39779920, 53598208, 63647872, 66997760, 79559840, 107196416, 127295744, 133995520, 159119680, 214392832, 254591488, 267991040, 318239360, 509182976, 535982080, 636478720, 1018365952, 1071964160, 1272957440, 2036731904, 2545914880, 4073463808, 5091829760, 10183659520, 20367319040]

約数ペア:

[(1, 20367319040), (2, 10183659520), (4, 5091829760), (5, 4073463808), (8, 2545914880), (10, 2036731904), (16, 1272957440), (19, 1071964160), (20, 1018365952), (32, 636478720), (38, 535982080), (40, 509182976), (64, 318239360), (76, 267991040), (80, 254591488), (95, 214392832), (128, 159119680), (152, 133995520), (160, 127295744), (190, 107196416), (256, 79559840), (304, 66997760), (320, 63647872), (380, 53598208), (512, 39779920), (608, 33498880), (640, 31823936), (760, 26799104), (1024, 19889960), (1216, 16749440), (1280, 15911968), (1520, 13399552), (2048, 9944980), (2432, 8374720), (2560, 7955984), (3040, 6699776), (4096, 4972490), (4864, 4187360), (5120, 3977992), (6080, 3349888), (8192, 2486245), (9728, 2093680), (10240, 1988996), (12160, 1674944), (19456, 1046840), (20480, 994498), (24320, 837472), (26171, 778240), (38912, 523420), (40960, 497249), (48640, 418736), (52342, 389120), (77824, 261710), (97280, 209368), (104684, 194560), (130855, 155648)]