20967871340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{39397}}^1$

素因数の和:39531

約数の個数: 96

約数和(自身を含む): 50038611840

約数和(自身を除く): 29070740500

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 89, 92, 115, 130, 178, 230, 260, 299, 356, 445, 460, 598, 890, 1157, 1196, 1495, 1780, 2047, 2314, 2990, 4094, 4628, 5785, 5980, 8188, 10235, 11570, 20470, 23140, 26611, 39397, 40940, 53222, 78794, 106444, 133055, 157588, 196985, 266110, 393970, 512161, 532220, 787940, 906131, 1024322, 1812262, 2048644, 2560805, 3506333, 3624524, 4530655, 5121610, 7012666, 9061310, 10243220, 11779703, 14025332, 17531665, 18122620, 23559406, 35063330, 45582329, 47118812, 58898515, 70126660, 80645659, 91164658, 117797030, 161291318, 182329316, 227911645, 235594060, 322582636, 403228295, 455823290, 806456590, 911646580, 1048393567, 1612913180, 2096787134, 4193574268, 5241967835, 10483935670, 20967871340]

約数ペア:

[(1, 20967871340), (2, 10483935670), (4, 5241967835), (5, 4193574268), (10, 2096787134), (13, 1612913180), (20, 1048393567), (23, 911646580), (26, 806456590), (46, 455823290), (52, 403228295), (65, 322582636), (89, 235594060), (92, 227911645), (115, 182329316), (130, 161291318), (178, 117797030), (230, 91164658), (260, 80645659), (299, 70126660), (356, 58898515), (445, 47118812), (460, 45582329), (598, 35063330), (890, 23559406), (1157, 18122620), (1196, 17531665), (1495, 14025332), (1780, 11779703), (2047, 10243220), (2314, 9061310), (2990, 7012666), (4094, 5121610), (4628, 4530655), (5785, 3624524), (5980, 3506333), (8188, 2560805), (10235, 2048644), (11570, 1812262), (20470, 1024322), (23140, 906131), (26611, 787940), (39397, 532220), (40940, 512161), (53222, 393970), (78794, 266110), (106444, 196985), (133055, 157588)]