20343849820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{28069}}^1$

素因数の和:28283

約数の個数: 96

約数和(自身を含む): 50703851520

約数和(自身を除く): 30360001700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 167, 217, 310, 334, 434, 620, 668, 835, 868, 1085, 1169, 1670, 2170, 2338, 3340, 4340, 4676, 5177, 5845, 10354, 11690, 20708, 23380, 25885, 28069, 36239, 51770, 56138, 72478, 103540, 112276, 140345, 144956, 181195, 196483, 280690, 362390, 392966, 561380, 724780, 785932, 870139, 982415, 1740278, 1964830, 3480556, 3929660, 4350695, 4687523, 6090973, 8701390, 9375046, 12181946, 17402780, 18750092, 23437615, 24363892, 30454865, 32812661, 46875230, 60909730, 65625322, 93750460, 121819460, 131250644, 145313213, 164063305, 290626426, 328126610, 581252852, 656253220, 726566065, 1017192491, 1453132130, 2034384982, 2906264260, 4068769964, 5085962455, 10171924910, 20343849820]

約数ペア:

[(1, 20343849820), (2, 10171924910), (4, 5085962455), (5, 4068769964), (7, 2906264260), (10, 2034384982), (14, 1453132130), (20, 1017192491), (28, 726566065), (31, 656253220), (35, 581252852), (62, 328126610), (70, 290626426), (124, 164063305), (140, 145313213), (155, 131250644), (167, 121819460), (217, 93750460), (310, 65625322), (334, 60909730), (434, 46875230), (620, 32812661), (668, 30454865), (835, 24363892), (868, 23437615), (1085, 18750092), (1169, 17402780), (1670, 12181946), (2170, 9375046), (2338, 8701390), (3340, 6090973), (4340, 4687523), (4676, 4350695), (5177, 3929660), (5845, 3480556), (10354, 1964830), (11690, 1740278), (20708, 982415), (23380, 870139), (25885, 785932), (28069, 724780), (36239, 561380), (51770, 392966), (56138, 362390), (72478, 280690), (103540, 196483), (112276, 181195), (140345, 144956)]