20013972

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 54104064

約数和(自身を除く): 34090092

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 67, 73, 93, 124, 132, 134, 146, 186, 201, 219, 268, 292, 341, 372, 402, 438, 682, 737, 803, 804, 876, 1023, 1364, 1474, 1606, 2046, 2077, 2211, 2263, 2409, 2948, 3212, 4092, 4154, 4422, 4526, 4818, 4891, 6231, 6789, 8308, 8844, 9052, 9636, 9782, 12462, 13578, 14673, 19564, 22847, 24893, 24924, 27156, 29346, 45694, 49786, 53801, 58692, 68541, 74679, 91388, 99572, 107602, 137082, 149358, 151621, 161403, 215204, 274164, 298716, 303242, 322806, 454863, 606484, 645612, 909726, 1667831, 1819452, 3335662, 5003493, 6671324, 10006986, 20013972]

約数ペア:

[(1, 20013972), (2, 10006986), (3, 6671324), (4, 5003493), (6, 3335662), (11, 1819452), (12, 1667831), (22, 909726), (31, 645612), (33, 606484), (44, 454863), (62, 322806), (66, 303242), (67, 298716), (73, 274164), (93, 215204), (124, 161403), (132, 151621), (134, 149358), (146, 137082), (186, 107602), (201, 99572), (219, 91388), (268, 74679), (292, 68541), (341, 58692), (372, 53801), (402, 49786), (438, 45694), (682, 29346), (737, 27156), (803, 24924), (804, 24893), (876, 22847), (1023, 19564), (1364, 14673), (1474, 13578), (1606, 12462), (2046, 9782), (2077, 9636), (2211, 9052), (2263, 8844), (2409, 8308), (2948, 6789), (3212, 6231), (4092, 4891), (4154, 4818), (4422, 4526)]