20565534525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{2081}}^1$

素因数の和:2471

約数の個数: 96

約数和(自身を含む): 37696658688

約数和(自身を除く): 17131124163

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 255, 337, 345, 391, 425, 575, 1011, 1173, 1275, 1685, 1725, 1955, 2081, 5055, 5729, 5865, 6243, 7751, 8425, 9775, 10405, 17187, 23253, 25275, 28645, 29325, 31215, 35377, 38755, 47863, 52025, 85935, 106131, 116265, 131767, 143225, 143589, 156075, 176885, 193775, 239315, 395301, 429675, 530655, 581325, 658835, 701297, 717945, 813671, 884425, 1196575, 1976505, 2103891, 2441013, 2653275, 3294175, 3506485, 3589725, 4068355, 9882525, 10519455, 11922049, 12205065, 16129831, 17532425, 20341775, 35766147, 48389493, 52597275, 59610245, 61025325, 80649155, 178830735, 241947465, 274207127, 298051225, 403245775, 822621381, 894153675, 1209737325, 1371035635, 4113106905, 6855178175, 20565534525]

約数ペア:

[(1, 20565534525), (3, 6855178175), (5, 4113106905), (15, 1371035635), (17, 1209737325), (23, 894153675), (25, 822621381), (51, 403245775), (69, 298051225), (75, 274207127), (85, 241947465), (115, 178830735), (255, 80649155), (337, 61025325), (345, 59610245), (391, 52597275), (425, 48389493), (575, 35766147), (1011, 20341775), (1173, 17532425), (1275, 16129831), (1685, 12205065), (1725, 11922049), (1955, 10519455), (2081, 9882525), (5055, 4068355), (5729, 3589725), (5865, 3506485), (6243, 3294175), (7751, 2653275), (8425, 2441013), (9775, 2103891), (10405, 1976505), (17187, 1196575), (23253, 884425), (25275, 813671), (28645, 717945), (29325, 701297), (31215, 658835), (35377, 581325), (38755, 530655), (47863, 429675), (52025, 395301), (85935, 239315), (106131, 193775), (116265, 176885), (131767, 156075), (143225, 143589)]