20185097475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{427877}}^1$

素因数の和:427944

約数の個数: 48

約数和(自身を含む): 36290900448

約数和(自身を除く): 16105802973

約数列:

[1, 3, 5, 15, 17, 25, 37, 51, 75, 85, 111, 185, 255, 425, 555, 629, 925, 1275, 1887, 2775, 3145, 9435, 15725, 47175, 427877, 1283631, 2139385, 6418155, 7273909, 10696925, 15831449, 21821727, 32090775, 36369545, 47494347, 79157245, 109108635, 181847725, 237471735, 269134633, 395786225, 545543175, 807403899, 1187358675, 1345673165, 4037019495, 6728365825, 20185097475]

約数ペア:

[(1, 20185097475), (3, 6728365825), (5, 4037019495), (15, 1345673165), (17, 1187358675), (25, 807403899), (37, 545543175), (51, 395786225), (75, 269134633), (85, 237471735), (111, 181847725), (185, 109108635), (255, 79157245), (425, 47494347), (555, 36369545), (629, 32090775), (925, 21821727), (1275, 15831449), (1887, 10696925), (2775, 7273909), (3145, 6418155), (9435, 2139385), (15725, 1283631), (47175, 427877)]