20194011890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1\times {\mathrm{6301}}^1$

素因数の和:6687

約数の個数: 64

約数和(自身を含む): 39734362080

約数和(自身を除く): 19540350190

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 277, 445, 554, 890, 1157, 1385, 2314, 2770, 3601, 5785, 6301, 7202, 11570, 12602, 18005, 24653, 31505, 36010, 49306, 63010, 81913, 123265, 163826, 246530, 320489, 409565, 560789, 640978, 819130, 1121578, 1602445, 1745377, 2803945, 3204890, 3490754, 5607890, 7290257, 8726885, 14580514, 17453770, 22689901, 36451285, 45379802, 72902570, 113449505, 155338553, 226899010, 310677106, 776692765, 1553385530, 2019401189, 4038802378, 10097005945, 20194011890]

約数ペア:

[(1, 20194011890), (2, 10097005945), (5, 4038802378), (10, 2019401189), (13, 1553385530), (26, 776692765), (65, 310677106), (89, 226899010), (130, 155338553), (178, 113449505), (277, 72902570), (445, 45379802), (554, 36451285), (890, 22689901), (1157, 17453770), (1385, 14580514), (2314, 8726885), (2770, 7290257), (3601, 5607890), (5785, 3490754), (6301, 3204890), (7202, 2803945), (11570, 1745377), (12602, 1602445), (18005, 1121578), (24653, 819130), (31505, 640978), (36010, 560789), (49306, 409565), (63010, 320489), (81913, 246530), (123265, 163826)]