20131803560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{7673}}^1$

素因数の和:7851

約数の個数: 128

約数和(自身を含む): 50722070400

約数和(自身を除く): 30590266840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 89, 110, 134, 178, 220, 268, 335, 356, 440, 445, 536, 670, 712, 737, 890, 979, 1340, 1474, 1780, 1958, 2680, 2948, 3560, 3685, 3916, 4895, 5896, 5963, 7370, 7673, 7832, 9790, 11926, 14740, 15346, 19580, 23852, 29480, 29815, 30692, 38365, 39160, 47704, 59630, 61384, 65593, 76730, 84403, 119260, 131186, 153460, 168806, 238520, 262372, 306920, 327965, 337612, 422015, 514091, 524744, 655930, 675224, 682897, 844030, 1028182, 1311860, 1365794, 1688060, 2056364, 2570455, 2623720, 2731588, 3376120, 3414485, 4112728, 5140910, 5463176, 5655001, 6828970, 7511867, 10281820, 11310002, 13657940, 15023734, 20563640, 22620004, 27315880, 28275005, 30047468, 37559335, 45240008, 45754099, 56550010, 60094936, 75118670, 91508198, 113100020, 150237340, 183016396, 226200040, 228770495, 300474680, 366032792, 457540990, 503295089, 915081980, 1006590178, 1830163960, 2013180356, 2516475445, 4026360712, 5032950890, 10065901780, 20131803560]

約数ペア:

[(1, 20131803560), (2, 10065901780), (4, 5032950890), (5, 4026360712), (8, 2516475445), (10, 2013180356), (11, 1830163960), (20, 1006590178), (22, 915081980), (40, 503295089), (44, 457540990), (55, 366032792), (67, 300474680), (88, 228770495), (89, 226200040), (110, 183016396), (134, 150237340), (178, 113100020), (220, 91508198), (268, 75118670), (335, 60094936), (356, 56550010), (440, 45754099), (445, 45240008), (536, 37559335), (670, 30047468), (712, 28275005), (737, 27315880), (890, 22620004), (979, 20563640), (1340, 15023734), (1474, 13657940), (1780, 11310002), (1958, 10281820), (2680, 7511867), (2948, 6828970), (3560, 5655001), (3685, 5463176), (3916, 5140910), (4895, 4112728), (5896, 3414485), (5963, 3376120), (7370, 2731588), (7673, 2623720), (7832, 2570455), (9790, 2056364), (11926, 1688060), (14740, 1365794), (15346, 1311860), (19580, 1028182), (23852, 844030), (29480, 682897), (29815, 675224), (30692, 655930), (38365, 524744), (39160, 514091), (47704, 422015), (59630, 337612), (61384, 327965), (65593, 306920), (76730, 262372), (84403, 238520), (119260, 168806), (131186, 153460)]