20310380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{659}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 45239040

約数和(自身を除く): 24928660

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 67, 92, 115, 134, 230, 268, 335, 460, 659, 670, 1318, 1340, 1541, 2636, 3082, 3295, 6164, 6590, 7705, 13180, 15157, 15410, 30314, 30820, 44153, 60628, 75785, 88306, 151570, 176612, 220765, 303140, 441530, 883060, 1015519, 2031038, 4062076, 5077595, 10155190, 20310380]

約数ペア:

[(1, 20310380), (2, 10155190), (4, 5077595), (5, 4062076), (10, 2031038), (20, 1015519), (23, 883060), (46, 441530), (67, 303140), (92, 220765), (115, 176612), (134, 151570), (230, 88306), (268, 75785), (335, 60628), (460, 44153), (659, 30820), (670, 30314), (1318, 15410), (1340, 15157), (1541, 13180), (2636, 7705), (3082, 6590), (3295, 6164)]