20128486570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{523}}^1\times {\mathrm{8807}}^1$

素因数の和:9379

約数の個数: 64

約数和(自身を含む): 39876986880

約数和(自身を除く): 19748500310

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 523, 874, 1046, 2185, 2615, 4370, 5230, 8807, 9937, 12029, 17614, 19874, 24058, 44035, 49685, 60145, 88070, 99370, 120290, 167333, 202561, 228551, 334666, 405122, 457102, 836665, 1012805, 1142755, 1673330, 2025610, 2285510, 3848659, 4606061, 7697318, 9212122, 19243295, 23030305, 38486590, 46060610, 87515159, 105939403, 175030318, 211878806, 437575795, 529697015, 875151590, 1059394030, 2012848657, 4025697314, 10064243285, 20128486570]

約数ペア:

[(1, 20128486570), (2, 10064243285), (5, 4025697314), (10, 2012848657), (19, 1059394030), (23, 875151590), (38, 529697015), (46, 437575795), (95, 211878806), (115, 175030318), (190, 105939403), (230, 87515159), (437, 46060610), (523, 38486590), (874, 23030305), (1046, 19243295), (2185, 9212122), (2615, 7697318), (4370, 4606061), (5230, 3848659), (8807, 2285510), (9937, 2025610), (12029, 1673330), (17614, 1142755), (19874, 1012805), (24058, 836665), (44035, 457102), (49685, 405122), (60145, 334666), (88070, 228551), (99370, 202561), (120290, 167333)]