20120305995

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{2999}}^1$

素因数の和:3189

約数の個数: 96

約数和(自身を含む): 37149840000

約数和(自身を除く): 17029534005

約数列:

[1, 3, 5, 9, 15, 29, 45, 53, 87, 97, 145, 159, 261, 265, 291, 435, 477, 485, 795, 873, 1305, 1455, 1537, 2385, 2813, 2999, 4365, 4611, 5141, 7685, 8439, 8997, 13833, 14065, 14995, 15423, 23055, 25317, 25705, 26991, 42195, 44985, 46269, 69165, 77115, 86971, 126585, 134955, 149089, 158947, 231345, 260913, 290903, 434855, 447267, 476841, 745445, 782739, 794735, 872709, 1304565, 1341801, 1430523, 1454515, 2236335, 2384205, 2618127, 3913695, 4363545, 4609463, 6709005, 7152615, 8436187, 13090635, 13828389, 15417859, 23047315, 25308561, 41485167, 42180935, 46253577, 69141945, 75925683, 77089295, 126542805, 138760731, 207425835, 231267885, 379628415, 447117911, 693803655, 1341353733, 2235589555, 4024061199, 6706768665, 20120305995]

約数ペア:

[(1, 20120305995), (3, 6706768665), (5, 4024061199), (9, 2235589555), (15, 1341353733), (29, 693803655), (45, 447117911), (53, 379628415), (87, 231267885), (97, 207425835), (145, 138760731), (159, 126542805), (261, 77089295), (265, 75925683), (291, 69141945), (435, 46253577), (477, 42180935), (485, 41485167), (795, 25308561), (873, 23047315), (1305, 15417859), (1455, 13828389), (1537, 13090635), (2385, 8436187), (2813, 7152615), (2999, 6709005), (4365, 4609463), (4611, 4363545), (5141, 3913695), (7685, 2618127), (8439, 2384205), (8997, 2236335), (13833, 1454515), (14065, 1430523), (14995, 1341801), (15423, 1304565), (23055, 872709), (25317, 794735), (25705, 782739), (26991, 745445), (42195, 476841), (44985, 447267), (46269, 434855), (69165, 290903), (77115, 260913), (86971, 231345), (126585, 158947), (134955, 149089)]