20028060

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 68062176

約数和(自身を除く): 48034116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 317, 324, 351, 390, 405, 468, 486, 540, 585, 634, 702, 780, 810, 951, 972, 1053, 1170, 1215, 1268, 1404, 1585, 1620, 1755, 1902, 2106, 2340, 2430, 2853, 3159, 3170, 3510, 3804, 4121, 4212, 4755, 4860, 5265, 5706, 6318, 6340, 7020, 8242, 8559, 9510, 10530, 11412, 12363, 12636, 14265, 15795, 16484, 17118, 19020, 20605, 21060, 24726, 25677, 28530, 31590, 34236, 37089, 41210, 42795, 49452, 51354, 57060, 61815, 63180, 74178, 77031, 82420, 85590, 102708, 111267, 123630, 128385, 148356, 154062, 171180, 185445, 222534, 247260, 256770, 308124, 333801, 370890, 385155, 445068, 513540, 556335, 667602, 741780, 770310, 1001403, 1112670, 1335204, 1540620, 1669005, 2002806, 2225340, 3338010, 4005612, 5007015, 6676020, 10014030, 20028060]

約数ペア:

[(1, 20028060), (2, 10014030), (3, 6676020), (4, 5007015), (5, 4005612), (6, 3338010), (9, 2225340), (10, 2002806), (12, 1669005), (13, 1540620), (15, 1335204), (18, 1112670), (20, 1001403), (26, 770310), (27, 741780), (30, 667602), (36, 556335), (39, 513540), (45, 445068), (52, 385155), (54, 370890), (60, 333801), (65, 308124), (78, 256770), (81, 247260), (90, 222534), (108, 185445), (117, 171180), (130, 154062), (135, 148356), (156, 128385), (162, 123630), (180, 111267), (195, 102708), (234, 85590), (243, 82420), (260, 77031), (270, 74178), (317, 63180), (324, 61815), (351, 57060), (390, 51354), (405, 49452), (468, 42795), (486, 41210), (540, 37089), (585, 34236), (634, 31590), (702, 28530), (780, 25677), (810, 24726), (951, 21060), (972, 20605), (1053, 19020), (1170, 17118), (1215, 16484), (1268, 15795), (1404, 14265), (1585, 12636), (1620, 12363), (1755, 11412), (1902, 10530), (2106, 9510), (2340, 8559), (2430, 8242), (2853, 7020), (3159, 6340), (3170, 6318), (3510, 5706), (3804, 5265), (4121, 4860), (4212, 4755)]