20163400875

素因数分解:

$3^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{373}}^1$

素因数の和:700

約数の個数: 160

約数和(自身を含む): 39816279360

約数和(自身を除く): 19652878485

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 125, 135, 171, 225, 281, 285, 373, 375, 405, 475, 513, 675, 843, 855, 1119, 1125, 1405, 1425, 1539, 1865, 2025, 2375, 2529, 2565, 3357, 3375, 4215, 4275, 5339, 5595, 7025, 7087, 7125, 7587, 7695, 9325, 10071, 10125, 12645, 12825, 16017, 16785, 21075, 21261, 21375, 22761, 26695, 27975, 30213, 35125, 35435, 37935, 38475, 46625, 48051, 50355, 63225, 63783, 64125, 80085, 83925, 104813, 105375, 106305, 113805, 133475, 139875, 144153, 151065, 177175, 189675, 191349, 192375, 240255, 251775, 314439, 316125, 318915, 400425, 419625, 432459, 524065, 531525, 569025, 574047, 667375, 720765, 755325, 885875, 943317, 948375, 956745, 1201275, 1258875, 1572195, 1594575, 1991447, 2002125, 2162295, 2620325, 2657625, 2829951, 2845125, 2870235, 3603825, 3776625, 4716585, 4783725, 5974341, 6006375, 7860975, 7972875, 8489853, 9957235, 10811475, 13101625, 14149755, 14351175, 17923023, 18019125, 23582925, 23918625, 29871705, 39304875, 42449265, 49786175, 53769069, 54057375, 70748775, 71755875, 89615115, 117914625, 149358525, 161307207, 212246325, 248930875, 268845345, 353743875, 448075575, 746792625, 806536035, 1061231625, 1344226725, 2240377875, 4032680175, 6721133625, 20163400875]

約数ペア:

[(1, 20163400875), (3, 6721133625), (5, 4032680175), (9, 2240377875), (15, 1344226725), (19, 1061231625), (25, 806536035), (27, 746792625), (45, 448075575), (57, 353743875), (75, 268845345), (81, 248930875), (95, 212246325), (125, 161307207), (135, 149358525), (171, 117914625), (225, 89615115), (281, 71755875), (285, 70748775), (373, 54057375), (375, 53769069), (405, 49786175), (475, 42449265), (513, 39304875), (675, 29871705), (843, 23918625), (855, 23582925), (1119, 18019125), (1125, 17923023), (1405, 14351175), (1425, 14149755), (1539, 13101625), (1865, 10811475), (2025, 9957235), (2375, 8489853), (2529, 7972875), (2565, 7860975), (3357, 6006375), (3375, 5974341), (4215, 4783725), (4275, 4716585), (5339, 3776625), (5595, 3603825), (7025, 2870235), (7087, 2845125), (7125, 2829951), (7587, 2657625), (7695, 2620325), (9325, 2162295), (10071, 2002125), (10125, 1991447), (12645, 1594575), (12825, 1572195), (16017, 1258875), (16785, 1201275), (21075, 956745), (21261, 948375), (21375, 943317), (22761, 885875), (26695, 755325), (27975, 720765), (30213, 667375), (35125, 574047), (35435, 569025), (37935, 531525), (38475, 524065), (46625, 432459), (48051, 419625), (50355, 400425), (63225, 318915), (63783, 316125), (64125, 314439), (80085, 251775), (83925, 240255), (104813, 192375), (105375, 191349), (106305, 189675), (113805, 177175), (133475, 151065), (139875, 144153)]