20609160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1201}}^1$

素因数の和:1239

約数の個数: 128

約数和(自身を含む): 72696960

約数和(自身を除く): 52087800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1201, 1320, 1430, 1560, 1716, 2145, 2402, 2860, 3432, 3603, 4290, 4804, 5720, 6005, 7206, 8580, 9608, 12010, 13211, 14412, 15613, 17160, 18015, 24020, 26422, 28824, 31226, 36030, 39633, 46839, 48040, 52844, 62452, 66055, 72060, 78065, 79266, 93678, 105688, 124904, 132110, 144120, 156130, 158532, 171743, 187356, 198165, 234195, 264220, 312260, 317064, 343486, 374712, 396330, 468390, 515229, 528440, 624520, 686972, 792660, 858715, 936780, 1030458, 1373944, 1585320, 1717430, 1873560, 2060916, 2576145, 3434860, 4121832, 5152290, 6869720, 10304580, 20609160]

約数ペア:

[(1, 20609160), (2, 10304580), (3, 6869720), (4, 5152290), (5, 4121832), (6, 3434860), (8, 2576145), (10, 2060916), (11, 1873560), (12, 1717430), (13, 1585320), (15, 1373944), (20, 1030458), (22, 936780), (24, 858715), (26, 792660), (30, 686972), (33, 624520), (39, 528440), (40, 515229), (44, 468390), (52, 396330), (55, 374712), (60, 343486), (65, 317064), (66, 312260), (78, 264220), (88, 234195), (104, 198165), (110, 187356), (120, 171743), (130, 158532), (132, 156130), (143, 144120), (156, 132110), (165, 124904), (195, 105688), (220, 93678), (260, 79266), (264, 78065), (286, 72060), (312, 66055), (330, 62452), (390, 52844), (429, 48040), (440, 46839), (520, 39633), (572, 36030), (660, 31226), (715, 28824), (780, 26422), (858, 24020), (1144, 18015), (1201, 17160), (1320, 15613), (1430, 14412), (1560, 13211), (1716, 12010), (2145, 9608), (2402, 8580), (2860, 7206), (3432, 6005), (3603, 5720), (4290, 4804)]