20116458

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 47139840

約数和(自身を除く): 27023382

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 61, 62, 93, 122, 183, 186, 197, 279, 366, 394, 549, 558, 591, 837, 1098, 1182, 1647, 1674, 1773, 1891, 3294, 3546, 3782, 5319, 5673, 6107, 10638, 11346, 12017, 12214, 17019, 18321, 24034, 34038, 36051, 36642, 51057, 54963, 72102, 102114, 108153, 109926, 164889, 216306, 324459, 329778, 372527, 648918, 745054, 1117581, 2235162, 3352743, 6705486, 10058229, 20116458]

約数ペア:

[(1, 20116458), (2, 10058229), (3, 6705486), (6, 3352743), (9, 2235162), (18, 1117581), (27, 745054), (31, 648918), (54, 372527), (61, 329778), (62, 324459), (93, 216306), (122, 164889), (183, 109926), (186, 108153), (197, 102114), (279, 72102), (366, 54963), (394, 51057), (549, 36642), (558, 36051), (591, 34038), (837, 24034), (1098, 18321), (1182, 17019), (1647, 12214), (1674, 12017), (1773, 11346), (1891, 10638), (3294, 6107), (3546, 5673), (3782, 5319)]