20207460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3701}}^1$

素因数の和:3733

約数の個数: 96

約数和(自身を含む): 69656832

約数和(自身を除く): 49449372

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 3701, 5460, 7402, 11103, 14804, 18505, 22206, 25907, 37010, 44412, 48113, 51814, 55515, 74020, 77721, 96226, 103628, 111030, 129535, 144339, 155442, 192452, 222060, 240565, 259070, 288678, 310884, 336791, 388605, 481130, 518140, 577356, 673582, 721695, 777210, 962260, 1010373, 1347164, 1443390, 1554420, 1683955, 2020746, 2886780, 3367910, 4041492, 5051865, 6735820, 10103730, 20207460]

約数ペア:

[(1, 20207460), (2, 10103730), (3, 6735820), (4, 5051865), (5, 4041492), (6, 3367910), (7, 2886780), (10, 2020746), (12, 1683955), (13, 1554420), (14, 1443390), (15, 1347164), (20, 1010373), (21, 962260), (26, 777210), (28, 721695), (30, 673582), (35, 577356), (39, 518140), (42, 481130), (52, 388605), (60, 336791), (65, 310884), (70, 288678), (78, 259070), (84, 240565), (91, 222060), (105, 192452), (130, 155442), (140, 144339), (156, 129535), (182, 111030), (195, 103628), (210, 96226), (260, 77721), (273, 74020), (364, 55515), (390, 51814), (420, 48113), (455, 44412), (546, 37010), (780, 25907), (910, 22206), (1092, 18505), (1365, 14804), (1820, 11103), (2730, 7402), (3701, 5460)]