20870305788

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{2539}}^1\times {\mathrm{4363}}^1$

素因数の和:7066

約数の個数: 48

約数和(自身を含む): 49038093440

約数和(自身を除く): 28167787652

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 2539, 4363, 5078, 7617, 8726, 10156, 13089, 15234, 17452, 26178, 30468, 52356, 398623, 684991, 797246, 1195869, 1369982, 1594492, 2054973, 2391738, 2739964, 4109946, 4783476, 8219892, 11077657, 22155314, 33232971, 44310628, 66465942, 132931884, 1739192149, 3478384298, 5217576447, 6956768596, 10435152894, 20870305788]

約数ペア:

[(1, 20870305788), (2, 10435152894), (3, 6956768596), (4, 5217576447), (6, 3478384298), (12, 1739192149), (157, 132931884), (314, 66465942), (471, 44310628), (628, 33232971), (942, 22155314), (1884, 11077657), (2539, 8219892), (4363, 4783476), (5078, 4109946), (7617, 2739964), (8726, 2391738), (10156, 2054973), (13089, 1594492), (15234, 1369982), (17452, 1195869), (26178, 797246), (30468, 684991), (52356, 398623)]