2020405560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{773}}^1\times {\mathrm{947}}^1$

素因数の和:1757

約数の個数: 128

約数和(自身を含む): 6339617280

約数和(自身を除く): 4319211720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 773, 920, 947, 1380, 1546, 1894, 2319, 2760, 2841, 3092, 3788, 3865, 4638, 4735, 5682, 6184, 7576, 7730, 9276, 9470, 11364, 11595, 14205, 15460, 17779, 18552, 18940, 21781, 22728, 23190, 28410, 30920, 35558, 37880, 43562, 46380, 53337, 56820, 65343, 71116, 87124, 88895, 92760, 106674, 108905, 113640, 130686, 142232, 174248, 177790, 213348, 217810, 261372, 266685, 326715, 355580, 426696, 435620, 522744, 533370, 653430, 711160, 732031, 871240, 1066740, 1306860, 1464062, 2133480, 2196093, 2613720, 2928124, 3660155, 4392186, 5856248, 7320310, 8784372, 10980465, 14640620, 16836713, 17568744, 21960930, 29281240, 33673426, 43921860, 50510139, 67346852, 84183565, 87843720, 101020278, 134693704, 168367130, 202040556, 252550695, 336734260, 404081112, 505101390, 673468520, 1010202780, 2020405560]

約数ペア:

[(1, 2020405560), (2, 1010202780), (3, 673468520), (4, 505101390), (5, 404081112), (6, 336734260), (8, 252550695), (10, 202040556), (12, 168367130), (15, 134693704), (20, 101020278), (23, 87843720), (24, 84183565), (30, 67346852), (40, 50510139), (46, 43921860), (60, 33673426), (69, 29281240), (92, 21960930), (115, 17568744), (120, 16836713), (138, 14640620), (184, 10980465), (230, 8784372), (276, 7320310), (345, 5856248), (460, 4392186), (552, 3660155), (690, 2928124), (773, 2613720), (920, 2196093), (947, 2133480), (1380, 1464062), (1546, 1306860), (1894, 1066740), (2319, 871240), (2760, 732031), (2841, 711160), (3092, 653430), (3788, 533370), (3865, 522744), (4638, 435620), (4735, 426696), (5682, 355580), (6184, 326715), (7576, 266685), (7730, 261372), (9276, 217810), (9470, 213348), (11364, 177790), (11595, 174248), (14205, 142232), (15460, 130686), (17779, 113640), (18552, 108905), (18940, 106674), (21781, 92760), (22728, 88895), (23190, 87124), (28410, 71116), (30920, 65343), (35558, 56820), (37880, 53337), (43562, 46380)]