20176470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 55272672

約数和(自身を除く): 35096202

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 73, 74, 83, 90, 111, 146, 166, 185, 219, 222, 249, 333, 365, 370, 415, 438, 498, 555, 657, 666, 730, 747, 830, 1095, 1110, 1245, 1314, 1494, 1665, 2190, 2490, 2701, 3071, 3285, 3330, 3735, 5402, 6059, 6142, 6570, 7470, 8103, 9213, 12118, 13505, 15355, 16206, 18177, 18426, 24309, 27010, 27639, 30295, 30710, 36354, 40515, 46065, 48618, 54531, 55278, 60590, 81030, 90885, 92130, 109062, 121545, 138195, 181770, 224183, 243090, 272655, 276390, 448366, 545310, 672549, 1120915, 1345098, 2017647, 2241830, 3362745, 4035294, 6725490, 10088235, 20176470]

約数ペア:

[(1, 20176470), (2, 10088235), (3, 6725490), (5, 4035294), (6, 3362745), (9, 2241830), (10, 2017647), (15, 1345098), (18, 1120915), (30, 672549), (37, 545310), (45, 448366), (73, 276390), (74, 272655), (83, 243090), (90, 224183), (111, 181770), (146, 138195), (166, 121545), (185, 109062), (219, 92130), (222, 90885), (249, 81030), (333, 60590), (365, 55278), (370, 54531), (415, 48618), (438, 46065), (498, 40515), (555, 36354), (657, 30710), (666, 30295), (730, 27639), (747, 27010), (830, 24309), (1095, 18426), (1110, 18177), (1245, 16206), (1314, 15355), (1494, 13505), (1665, 12118), (2190, 9213), (2490, 8103), (2701, 7470), (3071, 6570), (3285, 6142), (3330, 6059), (3735, 5402)]