20214463780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1\times {\mathrm{6421}}^1$

素因数の和:6749

約数の個数: 96

約数和(自身を含む): 49197657600

約数和(自身を除く): 28983193820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 199, 226, 398, 452, 565, 791, 796, 995, 1130, 1393, 1582, 1990, 2260, 2786, 3164, 3955, 3980, 5572, 6421, 6965, 7910, 12842, 13930, 15820, 22487, 25684, 27860, 32105, 44947, 44974, 64210, 89894, 89948, 112435, 128420, 157409, 179788, 224735, 224870, 314818, 449470, 449740, 629636, 725573, 787045, 898940, 1277779, 1451146, 1574090, 2555558, 2902292, 3148180, 3627865, 5079011, 5111116, 6388895, 7255730, 8944453, 10158022, 12777790, 14511460, 17888906, 20316044, 25395055, 25555580, 35777812, 44722265, 50790110, 89444530, 101580220, 144389027, 178889060, 288778054, 577556108, 721945135, 1010723189, 1443890270, 2021446378, 2887780540, 4042892756, 5053615945, 10107231890, 20214463780]

約数ペア:

[(1, 20214463780), (2, 10107231890), (4, 5053615945), (5, 4042892756), (7, 2887780540), (10, 2021446378), (14, 1443890270), (20, 1010723189), (28, 721945135), (35, 577556108), (70, 288778054), (113, 178889060), (140, 144389027), (199, 101580220), (226, 89444530), (398, 50790110), (452, 44722265), (565, 35777812), (791, 25555580), (796, 25395055), (995, 20316044), (1130, 17888906), (1393, 14511460), (1582, 12777790), (1990, 10158022), (2260, 8944453), (2786, 7255730), (3164, 6388895), (3955, 5111116), (3980, 5079011), (5572, 3627865), (6421, 3148180), (6965, 2902292), (7910, 2555558), (12842, 1574090), (13930, 1451146), (15820, 1277779), (22487, 898940), (25684, 787045), (27860, 725573), (32105, 629636), (44947, 449740), (44974, 449470), (64210, 314818), (89894, 224870), (89948, 224735), (112435, 179788), (128420, 157409)]