20120804904

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{829}}^1\times {\mathrm{21517}}^1$

素因数の和:22402

約数の個数: 64

約数和(自身を含む): 51436627200

約数和(自身を除く): 31315822296

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 829, 1128, 1658, 2487, 3316, 4974, 6632, 9948, 19896, 21517, 38963, 43034, 64551, 77926, 86068, 116889, 129102, 155852, 172136, 233778, 258204, 311704, 467556, 516408, 935112, 1011299, 2022598, 3033897, 4045196, 6067794, 8090392, 12135588, 17837593, 24271176, 35675186, 53512779, 71350372, 107025558, 142700744, 214051116, 428102232, 838366871, 1676733742, 2515100613, 3353467484, 5030201226, 6706934968, 10060402452, 20120804904]

約数ペア:

[(1, 20120804904), (2, 10060402452), (3, 6706934968), (4, 5030201226), (6, 3353467484), (8, 2515100613), (12, 1676733742), (24, 838366871), (47, 428102232), (94, 214051116), (141, 142700744), (188, 107025558), (282, 71350372), (376, 53512779), (564, 35675186), (829, 24271176), (1128, 17837593), (1658, 12135588), (2487, 8090392), (3316, 6067794), (4974, 4045196), (6632, 3033897), (9948, 2022598), (19896, 1011299), (21517, 935112), (38963, 516408), (43034, 467556), (64551, 311704), (77926, 258204), (86068, 233778), (116889, 172136), (129102, 155852)]