20081605476

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{569}}^1\times {\mathrm{8147}}^1$

素因数の和:8761

約数の個数: 72

約数和(自身を含む): 49546032480

約数和(自身を除く): 29464427004

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 361, 569, 722, 1083, 1138, 1444, 1707, 2166, 2276, 3414, 4332, 6828, 8147, 10811, 16294, 21622, 24441, 32433, 32588, 43244, 48882, 64866, 97764, 129732, 154793, 205409, 309586, 410818, 464379, 616227, 619172, 821636, 928758, 1232454, 1857516, 2464908, 2941067, 4635643, 5882134, 8823201, 9271286, 11764268, 13906929, 17646402, 18542572, 27813858, 35292804, 55627716, 88077217, 176154434, 264231651, 352308868, 528463302, 1056926604, 1673467123, 3346934246, 5020401369, 6693868492, 10040802738, 20081605476]

約数ペア:

[(1, 20081605476), (2, 10040802738), (3, 6693868492), (4, 5020401369), (6, 3346934246), (12, 1673467123), (19, 1056926604), (38, 528463302), (57, 352308868), (76, 264231651), (114, 176154434), (228, 88077217), (361, 55627716), (569, 35292804), (722, 27813858), (1083, 18542572), (1138, 17646402), (1444, 13906929), (1707, 11764268), (2166, 9271286), (2276, 8823201), (3414, 5882134), (4332, 4635643), (6828, 2941067), (8147, 2464908), (10811, 1857516), (16294, 1232454), (21622, 928758), (24441, 821636), (32433, 619172), (32588, 616227), (43244, 464379), (48882, 410818), (64866, 309586), (97764, 205409), (129732, 154793)]