20199043984

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{54371}}^1$

素因数の和:54524

約数の個数: 80

約数和(自身を含む): 46601588736

約数和(自身を除く): 26402544752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 107, 112, 124, 214, 217, 248, 428, 434, 496, 749, 856, 868, 1498, 1712, 1736, 2996, 3317, 3472, 5992, 6634, 11984, 13268, 23219, 26536, 46438, 53072, 54371, 92876, 108742, 185752, 217484, 371504, 380597, 434968, 761194, 869936, 1522388, 1685501, 3044776, 3371002, 5817697, 6089552, 6742004, 11635394, 11798507, 13484008, 23270788, 23597014, 26968016, 40723879, 46541576, 47194028, 81447758, 93083152, 94388056, 162895516, 180348607, 188776112, 325791032, 360697214, 651582064, 721394428, 1262440249, 1442788856, 2524880498, 2885577712, 5049760996, 10099521992, 20199043984]

約数ペア:

[(1, 20199043984), (2, 10099521992), (4, 5049760996), (7, 2885577712), (8, 2524880498), (14, 1442788856), (16, 1262440249), (28, 721394428), (31, 651582064), (56, 360697214), (62, 325791032), (107, 188776112), (112, 180348607), (124, 162895516), (214, 94388056), (217, 93083152), (248, 81447758), (428, 47194028), (434, 46541576), (496, 40723879), (749, 26968016), (856, 23597014), (868, 23270788), (1498, 13484008), (1712, 11798507), (1736, 11635394), (2996, 6742004), (3317, 6089552), (3472, 5817697), (5992, 3371002), (6634, 3044776), (11984, 1685501), (13268, 1522388), (23219, 869936), (26536, 761194), (46438, 434968), (53072, 380597), (54371, 371504), (92876, 217484), (108742, 185752)]