20899591668

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{63247}}^1$

素因数の和:63461

約数の個数: 72

約数和(自身を含む): 54010250112

約数和(自身を除く): 33110658444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 137, 201, 268, 274, 402, 411, 548, 603, 804, 822, 1206, 1233, 1644, 2412, 2466, 4932, 9179, 18358, 27537, 36716, 55074, 63247, 82611, 110148, 126494, 165222, 189741, 252988, 330444, 379482, 569223, 758964, 1138446, 2276892, 4237549, 8475098, 8664839, 12712647, 16950196, 17329678, 25425294, 25994517, 34659356, 38137941, 50850588, 51989034, 76275882, 77983551, 103978068, 152551764, 155967102, 311934204, 580544213, 1161088426, 1741632639, 2322176852, 3483265278, 5224897917, 6966530556, 10449795834, 20899591668]

約数ペア:

[(1, 20899591668), (2, 10449795834), (3, 6966530556), (4, 5224897917), (6, 3483265278), (9, 2322176852), (12, 1741632639), (18, 1161088426), (36, 580544213), (67, 311934204), (134, 155967102), (137, 152551764), (201, 103978068), (268, 77983551), (274, 76275882), (402, 51989034), (411, 50850588), (548, 38137941), (603, 34659356), (804, 25994517), (822, 25425294), (1206, 17329678), (1233, 16950196), (1644, 12712647), (2412, 8664839), (2466, 8475098), (4932, 4237549), (9179, 2276892), (18358, 1138446), (27537, 758964), (36716, 569223), (55074, 379482), (63247, 330444), (82611, 252988), (110148, 189741), (126494, 165222)]