20053856860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1\times {\mathrm{2089}}^1$

素因数の和:2671

約数の個数: 96

約数和(自身を含む): 45125942400

約数和(自身を除く): 25072085540

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 509, 820, 943, 1018, 1886, 2036, 2089, 2545, 3772, 4178, 4715, 5090, 8356, 9430, 10180, 10445, 11707, 18860, 20869, 20890, 23414, 41738, 41780, 46828, 48047, 58535, 83476, 85649, 96094, 104345, 117070, 171298, 192188, 208690, 234140, 240235, 342596, 417380, 428245, 479987, 480470, 856490, 959974, 960940, 1063301, 1712980, 1919948, 1969927, 2126602, 2399935, 3939854, 4253204, 4799870, 5316505, 7879708, 9599740, 9849635, 10633010, 19699270, 21266020, 24455923, 39398540, 43595341, 48911846, 87190682, 97823692, 122279615, 174381364, 217976705, 244559230, 435953410, 489118460, 871906820, 1002692843, 2005385686, 4010771372, 5013464215, 10026928430, 20053856860]

約数ペア:

[(1, 20053856860), (2, 10026928430), (4, 5013464215), (5, 4010771372), (10, 2005385686), (20, 1002692843), (23, 871906820), (41, 489118460), (46, 435953410), (82, 244559230), (92, 217976705), (115, 174381364), (164, 122279615), (205, 97823692), (230, 87190682), (410, 48911846), (460, 43595341), (509, 39398540), (820, 24455923), (943, 21266020), (1018, 19699270), (1886, 10633010), (2036, 9849635), (2089, 9599740), (2545, 7879708), (3772, 5316505), (4178, 4799870), (4715, 4253204), (5090, 3939854), (8356, 2399935), (9430, 2126602), (10180, 1969927), (10445, 1919948), (11707, 1712980), (18860, 1063301), (20869, 960940), (20890, 959974), (23414, 856490), (41738, 480470), (41780, 479987), (46828, 428245), (48047, 417380), (58535, 342596), (83476, 240235), (85649, 234140), (96094, 208690), (104345, 192188), (117070, 171298)]