20739528045

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{809}}^1$

素因数の和:1119

約数の個数: 96

約数和(自身を含む): 37597154400

約数和(自身を除く): 16857626355

約数列:

[1, 3, 5, 9, 15, 37, 45, 89, 111, 173, 185, 267, 333, 445, 519, 555, 801, 809, 865, 1335, 1557, 1665, 2427, 2595, 3293, 4005, 4045, 6401, 7281, 7785, 9879, 12135, 15397, 16465, 19203, 29637, 29933, 32005, 36405, 46191, 49395, 57609, 72001, 76985, 89799, 96015, 138573, 139957, 148185, 149665, 216003, 230955, 269397, 288045, 360005, 419871, 448995, 569689, 648009, 692865, 699785, 1080015, 1259613, 1346985, 1709067, 2099355, 2664037, 2848445, 3240045, 5127201, 5178409, 6298065, 7992111, 8545335, 12456173, 13320185, 15535227, 23976333, 25636005, 25892045, 37368519, 39960555, 46605681, 62280865, 77676135, 112105557, 119881665, 186842595, 233028405, 460878401, 560527785, 1382635203, 2304392005, 4147905609, 6913176015, 20739528045]

約数ペア:

[(1, 20739528045), (3, 6913176015), (5, 4147905609), (9, 2304392005), (15, 1382635203), (37, 560527785), (45, 460878401), (89, 233028405), (111, 186842595), (173, 119881665), (185, 112105557), (267, 77676135), (333, 62280865), (445, 46605681), (519, 39960555), (555, 37368519), (801, 25892045), (809, 25636005), (865, 23976333), (1335, 15535227), (1557, 13320185), (1665, 12456173), (2427, 8545335), (2595, 7992111), (3293, 6298065), (4005, 5178409), (4045, 5127201), (6401, 3240045), (7281, 2848445), (7785, 2664037), (9879, 2099355), (12135, 1709067), (15397, 1346985), (16465, 1259613), (19203, 1080015), (29637, 699785), (29933, 692865), (32005, 648009), (36405, 569689), (46191, 448995), (49395, 419871), (57609, 360005), (72001, 288045), (76985, 269397), (89799, 230955), (96015, 216003), (138573, 149665), (139957, 148185)]