20121325994

素因数分解:

$2^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{2281}}^1$

素因数の和:2489

約数の個数: 80

約数和(自身を含む): 38658102336

約数和(自身を除く): 18536776342

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 167, 334, 343, 539, 686, 1078, 1169, 1837, 2281, 2338, 2401, 3674, 3773, 4562, 4802, 7546, 8183, 12859, 15967, 16366, 25091, 25718, 26411, 31934, 50182, 52822, 57281, 90013, 111769, 114562, 175637, 180026, 223538, 351274, 380927, 400967, 630091, 761854, 782383, 801934, 1229459, 1260182, 1564766, 2458918, 2666489, 4190197, 4410637, 5332978, 5476681, 8380394, 8606213, 8821274, 10953362, 17212426, 18665423, 29331379, 37330846, 58662758, 60243491, 120486982, 130657961, 205319653, 261315922, 410639306, 914605727, 1437237571, 1829211454, 2874475142, 10060662997, 20121325994]

約数ペア:

[(1, 20121325994), (2, 10060662997), (7, 2874475142), (11, 1829211454), (14, 1437237571), (22, 914605727), (49, 410639306), (77, 261315922), (98, 205319653), (154, 130657961), (167, 120486982), (334, 60243491), (343, 58662758), (539, 37330846), (686, 29331379), (1078, 18665423), (1169, 17212426), (1837, 10953362), (2281, 8821274), (2338, 8606213), (2401, 8380394), (3674, 5476681), (3773, 5332978), (4562, 4410637), (4802, 4190197), (7546, 2666489), (8183, 2458918), (12859, 1564766), (15967, 1260182), (16366, 1229459), (25091, 801934), (25718, 782383), (26411, 761854), (31934, 630091), (50182, 400967), (52822, 380927), (57281, 351274), (90013, 223538), (111769, 180026), (114562, 175637)]