20565577980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{12973}}^1\times {\mathrm{8807}}^1$

素因数の和:21795

約数の個数: 72

約数和(自身を含む): 62394145632

約数和(自身を除く): 41828567652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 8807, 12973, 17614, 25946, 26421, 35228, 38919, 44035, 51892, 52842, 64865, 77838, 79263, 88070, 105684, 116757, 129730, 132105, 155676, 158526, 176140, 194595, 233514, 259460, 264210, 317052, 389190, 396315, 467028, 528420, 583785, 778380, 792630, 1167570, 1585260, 2335140, 114253211, 228506422, 342759633, 457012844, 571266055, 685519266, 1028278899, 1142532110, 1371038532, 1713798165, 2056557798, 2285064220, 3427596330, 4113115596, 5141394495, 6855192660, 10282788990, 20565577980]

約数ペア:

[(1, 20565577980), (2, 10282788990), (3, 6855192660), (4, 5141394495), (5, 4113115596), (6, 3427596330), (9, 2285064220), (10, 2056557798), (12, 1713798165), (15, 1371038532), (18, 1142532110), (20, 1028278899), (30, 685519266), (36, 571266055), (45, 457012844), (60, 342759633), (90, 228506422), (180, 114253211), (8807, 2335140), (12973, 1585260), (17614, 1167570), (25946, 792630), (26421, 778380), (35228, 583785), (38919, 528420), (44035, 467028), (51892, 396315), (52842, 389190), (64865, 317052), (77838, 264210), (79263, 259460), (88070, 233514), (105684, 194595), (116757, 176140), (129730, 158526), (132105, 155676)]