20121127944

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{108923}}^1$

素因数の和:109154

約数の個数: 64

約数和(自身を含む): 51760684800

約数和(自身を除く): 31639556856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 179, 258, 344, 358, 516, 537, 716, 1032, 1074, 1432, 2148, 4296, 7697, 15394, 23091, 30788, 46182, 61576, 92364, 108923, 184728, 217846, 326769, 435692, 653538, 871384, 1307076, 2614152, 4683689, 9367378, 14051067, 18734756, 19497217, 28102134, 37469512, 38994434, 56204268, 58491651, 77988868, 112408536, 116983302, 155977736, 233966604, 467933208, 838380331, 1676760662, 2515140993, 3353521324, 5030281986, 6707042648, 10060563972, 20121127944]

約数ペア:

[(1, 20121127944), (2, 10060563972), (3, 6707042648), (4, 5030281986), (6, 3353521324), (8, 2515140993), (12, 1676760662), (24, 838380331), (43, 467933208), (86, 233966604), (129, 155977736), (172, 116983302), (179, 112408536), (258, 77988868), (344, 58491651), (358, 56204268), (516, 38994434), (537, 37469512), (716, 28102134), (1032, 19497217), (1074, 18734756), (1432, 14051067), (2148, 9367378), (4296, 4683689), (7697, 2614152), (15394, 1307076), (23091, 871384), (30788, 653538), (46182, 435692), (61576, 326769), (92364, 217846), (108923, 184728)]