20199985472

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{1979}}^1\times {\mathrm{3709}}^1$

素因数の和:5743

約数の個数: 56

約数和(自身を含む): 41048330400

約数和(自身を除く): 20848344928

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 1979, 2752, 3709, 3958, 7418, 7916, 14836, 15832, 29672, 31664, 59344, 63328, 85097, 118688, 126656, 159487, 170194, 237376, 318974, 340388, 637948, 680776, 1275896, 1361552, 2551792, 2723104, 5103584, 5446208, 7340111, 10207168, 14680222, 29360444, 58720888, 117441776, 234883552, 315624773, 469767104, 631249546, 1262499092, 2524998184, 5049996368, 10099992736, 20199985472]

約数ペア:

[(1, 20199985472), (2, 10099992736), (4, 5049996368), (8, 2524998184), (16, 1262499092), (32, 631249546), (43, 469767104), (64, 315624773), (86, 234883552), (172, 117441776), (344, 58720888), (688, 29360444), (1376, 14680222), (1979, 10207168), (2752, 7340111), (3709, 5446208), (3958, 5103584), (7418, 2723104), (7916, 2551792), (14836, 1361552), (15832, 1275896), (29672, 680776), (31664, 637948), (59344, 340388), (63328, 318974), (85097, 237376), (118688, 170194), (126656, 159487)]