20169540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:970

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 44181180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 82, 90, 108, 123, 135, 164, 180, 205, 246, 270, 369, 410, 492, 540, 615, 738, 820, 911, 1107, 1230, 1476, 1822, 1845, 2214, 2460, 2733, 3644, 3690, 4428, 4555, 5466, 5535, 7380, 8199, 9110, 10932, 11070, 13665, 16398, 18220, 22140, 24597, 27330, 32796, 37351, 40995, 49194, 54660, 74702, 81990, 98388, 112053, 122985, 149404, 163980, 186755, 224106, 245970, 336159, 373510, 448212, 491940, 560265, 672318, 747020, 1008477, 1120530, 1344636, 1680795, 2016954, 2241060, 3361590, 4033908, 5042385, 6723180, 10084770, 20169540]

約数ペア:

[(1, 20169540), (2, 10084770), (3, 6723180), (4, 5042385), (5, 4033908), (6, 3361590), (9, 2241060), (10, 2016954), (12, 1680795), (15, 1344636), (18, 1120530), (20, 1008477), (27, 747020), (30, 672318), (36, 560265), (41, 491940), (45, 448212), (54, 373510), (60, 336159), (82, 245970), (90, 224106), (108, 186755), (123, 163980), (135, 149404), (164, 122985), (180, 112053), (205, 98388), (246, 81990), (270, 74702), (369, 54660), (410, 49194), (492, 40995), (540, 37351), (615, 32796), (738, 27330), (820, 24597), (911, 22140), (1107, 18220), (1230, 16398), (1476, 13665), (1822, 11070), (1845, 10932), (2214, 9110), (2460, 8199), (2733, 7380), (3644, 5535), (3690, 5466), (4428, 4555)]