20197285620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1309811}}^1$

素因数の和:1310080

約数の個数: 48

約数和(自身を含む): 56772491328

約数和(自身を除く): 36575205708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1285, 1542, 2570, 3084, 3855, 5140, 7710, 15420, 1309811, 2619622, 3929433, 5239244, 6549055, 7858866, 13098110, 15717732, 19647165, 26196220, 39294330, 78588660, 336621427, 673242854, 1009864281, 1346485708, 1683107135, 2019728562, 3366214270, 4039457124, 5049321405, 6732428540, 10098642810, 20197285620]

約数ペア:

[(1, 20197285620), (2, 10098642810), (3, 6732428540), (4, 5049321405), (5, 4039457124), (6, 3366214270), (10, 2019728562), (12, 1683107135), (15, 1346485708), (20, 1009864281), (30, 673242854), (60, 336621427), (257, 78588660), (514, 39294330), (771, 26196220), (1028, 19647165), (1285, 15717732), (1542, 13098110), (2570, 7858866), (3084, 6549055), (3855, 5239244), (5140, 3929433), (7710, 2619622), (15420, 1309811)]