20197546155

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{39971}}^1$

素因数の和:40201

約数の個数: 64

約数和(自身を含む): 37989388800

約数和(自身を除く): 17791842645

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 197, 285, 513, 591, 855, 985, 1773, 2565, 2955, 3743, 5319, 8865, 11229, 18715, 26595, 33687, 39971, 56145, 101061, 119913, 168435, 199855, 359739, 505305, 599565, 759449, 1079217, 1798695, 2278347, 3797245, 5396085, 6835041, 7874287, 11391735, 20505123, 23622861, 34175205, 39371435, 70868583, 102525615, 118114305, 149611453, 212605749, 354342915, 448834359, 748057265, 1063028745, 1346503077, 2244171795, 4039509231, 6732515385, 20197546155]

約数ペア:

[(1, 20197546155), (3, 6732515385), (5, 4039509231), (9, 2244171795), (15, 1346503077), (19, 1063028745), (27, 748057265), (45, 448834359), (57, 354342915), (95, 212605749), (135, 149611453), (171, 118114305), (197, 102525615), (285, 70868583), (513, 39371435), (591, 34175205), (855, 23622861), (985, 20505123), (1773, 11391735), (2565, 7874287), (2955, 6835041), (3743, 5396085), (5319, 3797245), (8865, 2278347), (11229, 1798695), (18715, 1079217), (26595, 759449), (33687, 599565), (39971, 505305), (56145, 359739), (101061, 199855), (119913, 168435)]