20735009092

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{117751}}^1$

素因数の和:118112

約数の個数: 48

約数和(自身を含む): 43784903680

約数和(自身を除く): 23049894588

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 331, 532, 662, 1324, 2317, 4634, 6289, 9268, 12578, 25156, 44023, 88046, 117751, 176092, 235502, 471004, 824257, 1648514, 2237269, 3297028, 4474538, 8949076, 15660883, 31321766, 38975581, 62643532, 77951162, 155902324, 272829067, 545658134, 740536039, 1091316268, 1481072078, 2962144156, 5183752273, 10367504546, 20735009092]

約数ペア:

[(1, 20735009092), (2, 10367504546), (4, 5183752273), (7, 2962144156), (14, 1481072078), (19, 1091316268), (28, 740536039), (38, 545658134), (76, 272829067), (133, 155902324), (266, 77951162), (331, 62643532), (532, 38975581), (662, 31321766), (1324, 15660883), (2317, 8949076), (4634, 4474538), (6289, 3297028), (9268, 2237269), (12578, 1648514), (25156, 824257), (44023, 471004), (88046, 235502), (117751, 176092)]