20178561369

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{569}}^1\times {\mathrm{7691}}^1$

素因数の和:8345

約数の個数: 32

約数和(自身を含む): 28411171200

約数和(自身を除く): 8232609831

約数列:

[1, 3, 29, 53, 87, 159, 569, 1537, 1707, 4611, 7691, 16501, 23073, 30157, 49503, 90471, 223039, 407623, 669117, 874553, 1222869, 2623659, 4376179, 11821067, 13128537, 35463201, 126909191, 231937487, 380727573, 695812461, 6726187123, 20178561369]

約数ペア:

[(1, 20178561369), (3, 6726187123), (29, 695812461), (53, 380727573), (87, 231937487), (159, 126909191), (569, 35463201), (1537, 13128537), (1707, 11821067), (4611, 4376179), (7691, 2623659), (16501, 1222869), (23073, 874553), (30157, 669117), (49503, 407623), (90471, 223039)]