20139025395

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1\times {\mathrm{2027}}^1$

素因数の和:2616

約数の個数: 64

約数和(自身を含む): 34483138560

約数和(自身を除く): 14344113165

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 491, 1065, 1349, 1473, 2027, 2455, 4047, 6081, 6745, 7365, 9329, 10135, 20235, 27987, 30405, 34861, 38513, 46645, 104583, 115539, 139935, 143917, 174305, 192565, 431751, 522915, 577695, 662359, 719585, 995257, 1987077, 2158755, 2734423, 2985771, 3311795, 4976285, 8203269, 9935385, 13672115, 14928855, 18909883, 41016345, 56729649, 70663247, 94549415, 211989741, 283648245, 353316235, 1059948705, 1342601693, 4027805079, 6713008465, 20139025395]

約数ペア:

[(1, 20139025395), (3, 6713008465), (5, 4027805079), (15, 1342601693), (19, 1059948705), (57, 353316235), (71, 283648245), (95, 211989741), (213, 94549415), (285, 70663247), (355, 56729649), (491, 41016345), (1065, 18909883), (1349, 14928855), (1473, 13672115), (2027, 9935385), (2455, 8203269), (4047, 4976285), (6081, 3311795), (6745, 2985771), (7365, 2734423), (9329, 2158755), (10135, 1987077), (20235, 995257), (27987, 719585), (30405, 662359), (34861, 577695), (38513, 522915), (46645, 431751), (104583, 192565), (115539, 174305), (139935, 143917)]