20024340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{139}}^1$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 65879520

約数和(自身を除く): 45855180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 139, 140, 147, 196, 210, 245, 278, 294, 343, 417, 420, 490, 556, 588, 686, 695, 735, 834, 973, 980, 1029, 1372, 1390, 1470, 1668, 1715, 1946, 2058, 2085, 2401, 2780, 2919, 2940, 3430, 3892, 4116, 4170, 4802, 4865, 5145, 5838, 6811, 6860, 7203, 8340, 9604, 9730, 10290, 11676, 12005, 13622, 14406, 14595, 19460, 20433, 20580, 24010, 27244, 28812, 29190, 34055, 36015, 40866, 47677, 48020, 58380, 68110, 72030, 81732, 95354, 102165, 136220, 143031, 144060, 190708, 204330, 238385, 286062, 333739, 408660, 476770, 572124, 667478, 715155, 953540, 1001217, 1334956, 1430310, 1668695, 2002434, 2860620, 3337390, 4004868, 5006085, 6674780, 10012170, 20024340]

約数ペア:

[(1, 20024340), (2, 10012170), (3, 6674780), (4, 5006085), (5, 4004868), (6, 3337390), (7, 2860620), (10, 2002434), (12, 1668695), (14, 1430310), (15, 1334956), (20, 1001217), (21, 953540), (28, 715155), (30, 667478), (35, 572124), (42, 476770), (49, 408660), (60, 333739), (70, 286062), (84, 238385), (98, 204330), (105, 190708), (139, 144060), (140, 143031), (147, 136220), (196, 102165), (210, 95354), (245, 81732), (278, 72030), (294, 68110), (343, 58380), (417, 48020), (420, 47677), (490, 40866), (556, 36015), (588, 34055), (686, 29190), (695, 28812), (735, 27244), (834, 24010), (973, 20580), (980, 20433), (1029, 19460), (1372, 14595), (1390, 14406), (1470, 13622), (1668, 12005), (1715, 11676), (1946, 10290), (2058, 9730), (2085, 9604), (2401, 8340), (2780, 7203), (2919, 6860), (2940, 6811), (3430, 5838), (3892, 5145), (4116, 4865), (4170, 4802)]