20197871172

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{389}}^1\times {\mathrm{14869}}^1$

素因数の和:15365

約数の個数: 72

約数和(自身を含む): 51718157400

約数和(自身を除く): 31520286228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 291, 388, 389, 582, 778, 873, 1164, 1167, 1556, 1746, 2334, 3492, 3501, 4668, 7002, 14004, 14869, 29738, 37733, 44607, 59476, 75466, 89214, 113199, 133821, 150932, 178428, 226398, 267642, 339597, 452796, 535284, 679194, 1358388, 1442293, 2884586, 4326879, 5769172, 5784041, 8653758, 11568082, 12980637, 17307516, 17352123, 23136164, 25961274, 34704246, 51922548, 52056369, 69408492, 104112738, 208225476, 561051977, 1122103954, 1683155931, 2244207908, 3366311862, 5049467793, 6732623724, 10098935586, 20197871172]

約数ペア:

[(1, 20197871172), (2, 10098935586), (3, 6732623724), (4, 5049467793), (6, 3366311862), (9, 2244207908), (12, 1683155931), (18, 1122103954), (36, 561051977), (97, 208225476), (194, 104112738), (291, 69408492), (388, 52056369), (389, 51922548), (582, 34704246), (778, 25961274), (873, 23136164), (1164, 17352123), (1167, 17307516), (1556, 12980637), (1746, 11568082), (2334, 8653758), (3492, 5784041), (3501, 5769172), (4668, 4326879), (7002, 2884586), (14004, 1442293), (14869, 1358388), (29738, 679194), (37733, 535284), (44607, 452796), (59476, 339597), (75466, 267642), (89214, 226398), (113199, 178428), (133821, 150932)]