20598914980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1106279}}^1$

素因数の和:1106321

約数の個数: 72

約数和(自身を含む): 52968686400

約数和(自身を除く): 32369771420

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 9310, 18620, 1106279, 2212558, 4425116, 5531395, 7743953, 11062790, 15487906, 21019301, 22125580, 30975812, 38719765, 42038602, 54207671, 77439530, 84077204, 105096505, 108415342, 147135107, 154879060, 210193010, 216830684, 271038355, 294270214, 420386020, 542076710, 588540428, 735675535, 1029945749, 1084153420, 1471351070, 2059891498, 2942702140, 4119782996, 5149728745, 10299457490, 20598914980]

約数ペア:

[(1, 20598914980), (2, 10299457490), (4, 5149728745), (5, 4119782996), (7, 2942702140), (10, 2059891498), (14, 1471351070), (19, 1084153420), (20, 1029945749), (28, 735675535), (35, 588540428), (38, 542076710), (49, 420386020), (70, 294270214), (76, 271038355), (95, 216830684), (98, 210193010), (133, 154879060), (140, 147135107), (190, 108415342), (196, 105096505), (245, 84077204), (266, 77439530), (380, 54207671), (490, 42038602), (532, 38719765), (665, 30975812), (931, 22125580), (980, 21019301), (1330, 15487906), (1862, 11062790), (2660, 7743953), (3724, 5531395), (4655, 4425116), (9310, 2212558), (18620, 1106279)]