20163744860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1\times {\mathrm{2789}}^1$

素因数の和:3375

約数の個数: 96

約数和(自身を含む): 48945617280

約数和(自身を除く): 28781872420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 457, 565, 791, 914, 1130, 1582, 1828, 2260, 2285, 2789, 3164, 3199, 3955, 4570, 5578, 6398, 7910, 9140, 11156, 12796, 13945, 15820, 15995, 19523, 27890, 31990, 39046, 51641, 55780, 63980, 78092, 97615, 103282, 195230, 206564, 258205, 315157, 361487, 390460, 516410, 630314, 722974, 1032820, 1260628, 1274573, 1445948, 1575785, 1807435, 2206099, 2549146, 3151570, 3614870, 4412198, 5098292, 6303140, 6372865, 7229740, 8824396, 8922011, 11030495, 12745730, 17844022, 22060990, 25491460, 35688044, 44121980, 44610055, 89220110, 144026749, 178440220, 288053498, 576106996, 720133745, 1008187243, 1440267490, 2016374486, 2880534980, 4032748972, 5040936215, 10081872430, 20163744860]

約数ペア:

[(1, 20163744860), (2, 10081872430), (4, 5040936215), (5, 4032748972), (7, 2880534980), (10, 2016374486), (14, 1440267490), (20, 1008187243), (28, 720133745), (35, 576106996), (70, 288053498), (113, 178440220), (140, 144026749), (226, 89220110), (452, 44610055), (457, 44121980), (565, 35688044), (791, 25491460), (914, 22060990), (1130, 17844022), (1582, 12745730), (1828, 11030495), (2260, 8922011), (2285, 8824396), (2789, 7229740), (3164, 6372865), (3199, 6303140), (3955, 5098292), (4570, 4412198), (5578, 3614870), (6398, 3151570), (7910, 2549146), (9140, 2206099), (11156, 1807435), (12796, 1575785), (13945, 1445948), (15820, 1274573), (15995, 1260628), (19523, 1032820), (27890, 722974), (31990, 630314), (39046, 516410), (51641, 390460), (55780, 361487), (63980, 315157), (78092, 258205), (97615, 206564), (103282, 195230)]