20194968135

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{521}}^1\times {\mathrm{2689}}^1$

素因数の和:3280

約数の個数: 48

約数和(自身を含む): 33464417760

約数和(自身を除く): 13269449625

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 521, 961, 1563, 2605, 2689, 2883, 4805, 7815, 8067, 13445, 14415, 16151, 40335, 48453, 80755, 83359, 242265, 250077, 416795, 500681, 1250385, 1400969, 1502043, 2503405, 2584129, 4202907, 7004845, 7510215, 7752387, 12920645, 21014535, 38761935, 43430039, 130290117, 217150195, 651450585, 1346331209, 4038993627, 6731656045, 20194968135]

約数ペア:

[(1, 20194968135), (3, 6731656045), (5, 4038993627), (15, 1346331209), (31, 651450585), (93, 217150195), (155, 130290117), (465, 43430039), (521, 38761935), (961, 21014535), (1563, 12920645), (2605, 7752387), (2689, 7510215), (2883, 7004845), (4805, 4202907), (7815, 2584129), (8067, 2503405), (13445, 1502043), (14415, 1400969), (16151, 1250385), (40335, 500681), (48453, 416795), (80755, 250077), (83359, 242265)]