20176790940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4873621}}^1$

素因数の和:4873659

約数の個数: 72

約数和(自身を含む): 63863942688

約数和(自身を除く): 43687151748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4873621, 9747242, 14620863, 19494484, 24368105, 29241726, 43862589, 48736210, 58483452, 73104315, 87725178, 97472420, 112093283, 146208630, 175450356, 219312945, 224186566, 292417260, 336279849, 438625890, 448373132, 560466415, 672559698, 877251780, 1008839547, 1120932830, 1345119396, 1681399245, 2017679094, 2241865660, 3362798490, 4035358188, 5044197735, 6725596980, 10088395470, 20176790940]

約数ペア:

[(1, 20176790940), (2, 10088395470), (3, 6725596980), (4, 5044197735), (5, 4035358188), (6, 3362798490), (9, 2241865660), (10, 2017679094), (12, 1681399245), (15, 1345119396), (18, 1120932830), (20, 1008839547), (23, 877251780), (30, 672559698), (36, 560466415), (45, 448373132), (46, 438625890), (60, 336279849), (69, 292417260), (90, 224186566), (92, 219312945), (115, 175450356), (138, 146208630), (180, 112093283), (207, 97472420), (230, 87725178), (276, 73104315), (345, 58483452), (414, 48736210), (460, 43862589), (690, 29241726), (828, 24368105), (1035, 19494484), (1380, 14620863), (2070, 9747242), (4140, 4873621)]