20021274

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{719}}^1$

素因数の和:764

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 36588006

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 34, 39, 42, 51, 63, 78, 91, 102, 117, 119, 126, 153, 182, 221, 234, 238, 273, 306, 357, 442, 546, 663, 714, 719, 819, 1071, 1326, 1438, 1547, 1638, 1989, 2142, 2157, 3094, 3978, 4314, 4641, 5033, 6471, 9282, 9347, 10066, 12223, 12942, 13923, 15099, 18694, 24446, 27846, 28041, 30198, 36669, 45297, 56082, 65429, 73338, 84123, 85561, 90594, 110007, 130858, 158899, 168246, 171122, 196287, 220014, 256683, 317798, 392574, 476697, 513366, 588861, 770049, 953394, 1112293, 1177722, 1430091, 1540098, 2224586, 2860182, 3336879, 6673758, 10010637, 20021274]

約数ペア:

[(1, 20021274), (2, 10010637), (3, 6673758), (6, 3336879), (7, 2860182), (9, 2224586), (13, 1540098), (14, 1430091), (17, 1177722), (18, 1112293), (21, 953394), (26, 770049), (34, 588861), (39, 513366), (42, 476697), (51, 392574), (63, 317798), (78, 256683), (91, 220014), (102, 196287), (117, 171122), (119, 168246), (126, 158899), (153, 130858), (182, 110007), (221, 90594), (234, 85561), (238, 84123), (273, 73338), (306, 65429), (357, 56082), (442, 45297), (546, 36669), (663, 30198), (714, 28041), (719, 27846), (819, 24446), (1071, 18694), (1326, 15099), (1438, 13923), (1547, 12942), (1638, 12223), (1989, 10066), (2142, 9347), (2157, 9282), (3094, 6471), (3978, 5033), (4314, 4641)]