20870118

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{283}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 48247056

約数和(自身を除く): 27376938

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 241, 283, 306, 482, 566, 723, 849, 1446, 1698, 2169, 2547, 4097, 4338, 4811, 5094, 8194, 9622, 12291, 14433, 24582, 28866, 36873, 43299, 68203, 73746, 86598, 136406, 204609, 409218, 613827, 1159451, 1227654, 2318902, 3478353, 6956706, 10435059, 20870118]

約数ペア:

[(1, 20870118), (2, 10435059), (3, 6956706), (6, 3478353), (9, 2318902), (17, 1227654), (18, 1159451), (34, 613827), (51, 409218), (102, 204609), (153, 136406), (241, 86598), (283, 73746), (306, 68203), (482, 43299), (566, 36873), (723, 28866), (849, 24582), (1446, 14433), (1698, 12291), (2169, 9622), (2547, 8194), (4097, 5094), (4338, 4811)]